Validate code changes and new tests.

hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/dao/dstu3/FhirResourceDaoCodeSystemDstu3.java

@@ -100,7 +100,11 @@ public class FhirResourceDaoCodeSystemDstu3 extends BaseHapiFhirResourceDao<Code
 		String system;
 		if (haveCoding) {
 			code = theCoding.getCode();
+			if (theCoding.hasVersion()) {
+				system = theCoding.getSystem() + "|" + theCoding.getVersion();
+			} else {
 				system = theCoding.getSystem();
+			}
 		} else {
 			code = theCode.getValue();
 			system = theSystem.getValue();

hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/dao/r4/FhirResourceDaoCodeSystemR4.java

@@ -95,7 +95,11 @@ public class FhirResourceDaoCodeSystemR4 extends BaseHapiFhirResourceDao<CodeSys
 		String system;
 		if (haveCoding) {
 			code = theCoding.getCode();
+			if (theCoding.hasVersion()) {
+				system = theCoding.getSystem() + "|" + theCoding.getVersion();
+			} else {
 				system = theCoding.getSystem();
+			}
 		} else {
 			code = theCode.getValue();
 			system = theSystem.getValue();

hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/dao/r5/FhirResourceDaoCodeSystemR5.java

@@ -97,7 +97,11 @@ public class FhirResourceDaoCodeSystemR5 extends BaseHapiFhirResourceDao<CodeSys
 		String system;
 		if (haveCoding) {
 			code = theCoding.getCode();
+			if (theCoding.hasVersion()) {
+				system = theCoding.getSystem() + "|" + theCoding.getVersion();
+			} else {
 				system = theCoding.getSystem();
+			}
 		} else {
 			code = theCode.getValue();
 			system = theSystem.getValue();

hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/provider/dstu3/BaseJpaResourceProviderValueSetDstu3.java

@@ -144,8 +144,10 @@ public class BaseJpaResourceProviderValueSetDstu3 extends JpaResourceProviderDst
 		@IdParam(optional = true) IdType theId,
 		@OperationParam(name = "identifier", min = 0, max = 1) UriType theValueSetIdentifier,
 		@OperationParam(name = "url", min = 0, max = 1) UriType theValueSetUrl,
+		@OperationParam(name = "valueSetVersion", min = 0, max = 1) StringType theValueSetVersion,
 		@OperationParam(name = "code", min = 0, max = 1) CodeType theCode,
 		@OperationParam(name = "system", min = 0, max = 1) UriType theSystem,
+		@OperationParam(name = "systemVersion", min = 0, max = 1) StringType theSystemVersion,
 		@OperationParam(name = "display", min = 0, max = 1) StringType theDisplay,
 		@OperationParam(name = "coding", min = 0, max = 1) Coding theCoding,
 		@OperationParam(name = "codeableConcept", min = 0, max = 1) CodeableConcept theCodeableConcept,
@@ -160,7 +162,19 @@ public class BaseJpaResourceProviderValueSetDstu3 extends JpaResourceProviderDst
 		startRequest(theServletRequest);
 		try {
 			IFhirResourceDaoValueSet<ValueSet, Coding, CodeableConcept> dao = (IFhirResourceDaoValueSet<ValueSet, Coding, CodeableConcept>) getDao();
-			IValidationSupport.CodeValidationResult result = dao.validateCode(url, theId, theCode, theSystem, theDisplay, theCoding, theCodeableConcept, theRequestDetails);
+			UriType valueSetIdentifier;
+			if (theValueSetVersion != null) {
+				valueSetIdentifier = new UriType(theValueSetUrl.getValue() + "|" + theValueSetVersion);
+			} else {
+				valueSetIdentifier = theValueSetUrl;
+			}
+			UriType codeSystemIdentifier;
+			if (theSystemVersion != null) {
+				codeSystemIdentifier = new UriType(theSystem.getValue() + "|" + theSystemVersion);
+			} else {
+				codeSystemIdentifier = theSystem;
+			}
+			IValidationSupport.CodeValidationResult result = dao.validateCode(valueSetIdentifier, theId, theCode, codeSystemIdentifier, theDisplay, theCoding, theCodeableConcept, theRequestDetails);
 			return (Parameters) BaseJpaResourceProviderValueSetDstu2.toValidateCodeResult(getContext(), result);
 		} finally {
 			endRequest(theServletRequest);

hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/provider/r4/BaseJpaResourceProviderCodeSystemR4.java

@@ -66,9 +66,6 @@ public class BaseJpaResourceProviderCodeSystemR4 extends JpaResourceProviderR4<C
 			IValidationSupport.LookupCodeResult result;
 			if (theVersion != null) {
 				result = dao.lookupCode(theCode, new UriType(theSystem.getValue() + "|" + theVersion), theCoding, theRequestDetails);
-			} else if (theCoding != null && theCoding.hasVersion()) {
-				Coding codingWithVersion = new Coding(theCoding.getSystem() + "|" + theCoding.getVersion(), theCoding.getCode(), theCoding.getDisplay());
-				result = dao.lookupCode(theCode, theSystem, codingWithVersion, theRequestDetails);
 			} else {
 				result = dao.lookupCode(theCode, theSystem, theCoding, theRequestDetails);
 			}
@@ -104,12 +101,6 @@ public class BaseJpaResourceProviderCodeSystemR4 extends JpaResourceProviderR4<C
 			if (theVersion != null) {
 				theSystem = new UriType(theSystem.asStringValue() + "|" + theVersion.toString());
 			}
-			if (theCodingA != null && theCodingA.hasVersion()) {
-				theCodingA.setSystem(theCodingA.getSystemElement().asStringValue() + "|" + theCodingA.getVersion());
-			}
-			if (theCodingB != null && theCodingB.hasVersion()) {
-				theCodingB.setSystem(theCodingB.getSystemElement().asStringValue() + "|" + theCodingB.getVersion());
-			}
 			result = dao.subsumes(theCodeA, theCodeB, theSystem, theCodingA, theCodingB, theRequestDetails);
 			return (Parameters) result.toParameters(theRequestDetails.getFhirContext());
 		} finally {

hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/provider/r4/BaseJpaResourceProviderValueSetR4.java

@@ -135,8 +135,10 @@ public class BaseJpaResourceProviderValueSetR4 extends JpaResourceProviderR4<Val
 		HttpServletRequest theServletRequest,
 		@IdParam(optional = true) IdType theId,
 		@OperationParam(name = "url", min = 0, max = 1) UriType theValueSetUrl,
+		@OperationParam(name = "valueSetVersion", min = 0, max = 1) StringType theValueSetVersion,
 		@OperationParam(name = "code", min = 0, max = 1) CodeType theCode,
 		@OperationParam(name = "system", min = 0, max = 1) UriType theSystem,
+		@OperationParam(name = "systemVersion", min = 0, max = 1) StringType theSystemVersion,
 		@OperationParam(name = "display", min = 0, max = 1) StringType theDisplay,
 		@OperationParam(name = "coding", min = 0, max = 1) Coding theCoding,
 		@OperationParam(name = "codeableConcept", min = 0, max = 1) CodeableConcept theCodeableConcept,
@@ -146,7 +148,19 @@ public class BaseJpaResourceProviderValueSetR4 extends JpaResourceProviderR4<Val
 		startRequest(theServletRequest);
 		try {
 			IFhirResourceDaoValueSet<ValueSet, Coding, CodeableConcept> dao = (IFhirResourceDaoValueSet<ValueSet, Coding, CodeableConcept>) getDao();
-			IValidationSupport.CodeValidationResult result = dao.validateCode(theValueSetUrl, theId, theCode, theSystem, theDisplay, theCoding, theCodeableConcept, theRequestDetails);
+			UriType valueSetIdentifier;
+			if (theValueSetVersion != null) {
+				valueSetIdentifier = new UriType(theValueSetUrl.getValue() + "|" + theValueSetVersion);
+			} else {
+				valueSetIdentifier = theValueSetUrl;
+			}
+			UriType codeSystemIdentifier;
+			if (theSystemVersion != null) {
+				codeSystemIdentifier = new UriType(theSystem.getValue() + "|" + theSystemVersion);
+			} else {
+				codeSystemIdentifier = theSystem;
+			}
+			IValidationSupport.CodeValidationResult result = dao.validateCode(valueSetIdentifier, theId, theCode, codeSystemIdentifier, theDisplay, theCoding, theCodeableConcept, theRequestDetails);
 			return (Parameters) BaseJpaResourceProviderValueSetDstu2.toValidateCodeResult(getContext(), result);
 		} finally {
 			endRequest(theServletRequest);

hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/provider/r5/BaseJpaResourceProviderCodeSystemR5.java

@@ -66,9 +66,6 @@ public class BaseJpaResourceProviderCodeSystemR5 extends JpaResourceProviderR5<C
 			IValidationSupport.LookupCodeResult result;
 			if (theVersion != null) {
 				result = dao.lookupCode(theCode, new UriType(theSystem.getValue() + "|" + theVersion), theCoding, theRequestDetails);
-			} else if (theCoding != null && theCoding.hasVersion()) {
-				Coding codingWithVersion = new Coding(theCoding.getSystem() + "|" + theCoding.getVersion(), theCoding.getCode(), theCoding.getDisplay());
-				result = dao.lookupCode(theCode, theSystem, codingWithVersion, theRequestDetails);
 			} else {
 				result = dao.lookupCode(theCode, theSystem, theCoding, theRequestDetails);
 			}
@@ -104,12 +101,6 @@ public class BaseJpaResourceProviderCodeSystemR5 extends JpaResourceProviderR5<C
 			if (theVersion != null) {
 				theSystem = new UriType(theSystem.asStringValue() + "|" + theVersion.toString());
 			}
-			if (theCodingA != null && theCodingA.hasVersion()) {
-				theCodingA.setSystem(theCodingA.getSystemElement().asStringValue() + "|" + theCodingA.getVersion());
-			}
-			if (theCodingB != null && theCodingB.hasVersion()) {
-				theCodingB.setSystem(theCodingB.getSystemElement().asStringValue() + "|" + theCodingB.getVersion());
-			}
 			result = dao.subsumes(theCodeA, theCodeB, theSystem, theCodingA, theCodingB, theRequestDetails);
 			return (Parameters) result.toParameters(theRequestDetails.getFhirContext());
 		} finally {

hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/provider/r5/BaseJpaResourceProviderValueSetR5.java

@@ -44,7 +44,7 @@ public class BaseJpaResourceProviderValueSetR5 extends JpaResourceProviderR5<Val
 		@IdParam(optional = true) IdType theId,
 		@OperationParam(name = "valueSet", min = 0, max = 1) ValueSet theValueSet,
 		@OperationParam(name = "url", min = 0, max = 1) UriType theUrl,
-		@OperationParam(name = "valueSetVersion", min = 0, max = 1) org.hl7.fhir.r4.model.StringType theValueSetVersion,
+		@OperationParam(name = "valueSetVersion", min = 0, max = 1) StringType theValueSetVersion,
 		@OperationParam(name = "filter", min = 0, max = 1) StringType theFilter,
 		@OperationParam(name = "offset", min = 0, max = 1) IntegerType theOffset,
 		@OperationParam(name = "count", min = 0, max = 1) IntegerType theCount,
@@ -135,8 +135,10 @@ public class BaseJpaResourceProviderValueSetR5 extends JpaResourceProviderR5<Val
 		HttpServletRequest theServletRequest,
 		@IdParam(optional = true) IdType theId,
 		@OperationParam(name = "url", min = 0, max = 1) UriType theValueSetUrl,
+		@OperationParam(name = "valueSetVersion", min = 0, max = 1) StringType theValueSetVersion,
 		@OperationParam(name = "code", min = 0, max = 1) CodeType theCode,
 		@OperationParam(name = "system", min = 0, max = 1) UriType theSystem,
+		@OperationParam(name = "systemVersion", min = 0, max = 1) StringType theSystemVersion,
 		@OperationParam(name = "display", min = 0, max = 1) StringType theDisplay,
 		@OperationParam(name = "coding", min = 0, max = 1) Coding theCoding,
 		@OperationParam(name = "codeableConcept", min = 0, max = 1) CodeableConcept theCodeableConcept,
@@ -146,7 +148,19 @@ public class BaseJpaResourceProviderValueSetR5 extends JpaResourceProviderR5<Val
 		startRequest(theServletRequest);
 		try {
 			IFhirResourceDaoValueSet<ValueSet, Coding, CodeableConcept> dao = (IFhirResourceDaoValueSet<ValueSet, Coding, CodeableConcept>) getDao();
-			IValidationSupport.CodeValidationResult result = dao.validateCode(theValueSetUrl, theId, theCode, theSystem, theDisplay, theCoding, theCodeableConcept, theRequestDetails);
+			UriType valueSetIdentifier;
+			if (theValueSetVersion != null) {
+				valueSetIdentifier = new UriType(theValueSetUrl.getValue() + "|" + theValueSetVersion);
+			} else {
+				valueSetIdentifier = theValueSetUrl;
+			}
+			UriType codeSystemIdentifier;
+			if (theSystemVersion != null) {
+				codeSystemIdentifier = new UriType(theSystem.getValue() + "|" + theSystemVersion);
+			} else {
+				codeSystemIdentifier = theSystem;
+			}
+			IValidationSupport.CodeValidationResult result = dao.validateCode(valueSetIdentifier, theId, theCode, codeSystemIdentifier, theDisplay, theCoding, theCodeableConcept, theRequestDetails);
 			return (Parameters) BaseJpaResourceProviderValueSetDstu2.toValidateCodeResult(getContext(), result);
 		} finally {
 			endRequest(theServletRequest);

hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/term/BaseTermReadSvcImpl.java

@@ -651,22 +651,22 @@ public abstract class BaseTermReadSvcImpl implements ITermReadSvc {
 	 */
 	private Boolean expandValueSetHandleIncludeOrExclude(@Nullable ValueSetExpansionOptions theExpansionOptions, IValueSetConceptAccumulator theValueSetCodeAccumulator, Set<String> theAddedCodes, ValueSet.ConceptSetComponent theIncludeOrExclude, boolean theAdd, AtomicInteger theCodeCounter, int theQueryIndex, VersionIndependentConcept theWantConceptOrNull) {
 
-		String system = theIncludeOrExclude.getSystem();
+		String includeOrExcludeSystemUrl = theIncludeOrExclude.getSystem();
-		boolean hasSystem = isNotBlank(system);
+		boolean hasSystem = isNotBlank(includeOrExcludeSystemUrl);
 		boolean hasValueSet = theIncludeOrExclude.getValueSet().size() > 0;
 
 		if (hasSystem) {
 
-			if (theWantConceptOrNull != null && theWantConceptOrNull.getSystem() != null && !system.equals(theWantConceptOrNull.getSystem())) {
+			if (theWantConceptOrNull != null && theWantConceptOrNull.getSystem() != null && !includeOrExcludeSystemUrl.equals(theWantConceptOrNull.getSystem())) {
 				return false;
 			}
 
-			ourLog.debug("Starting {} expansion around CodeSystem: {}", (theAdd ? "inclusion" : "exclusion"), system);
+			ourLog.debug("Starting {} expansion around CodeSystem: {}", (theAdd ? "inclusion" : "exclusion"), includeOrExcludeSystemUrl);
 
-			TermCodeSystem cs = myCodeSystemDao.findByCodeSystemUri(system);
+			TermCodeSystem cs = myCodeSystemDao.findByCodeSystemUri(includeOrExcludeSystemUrl);
 			if (cs != null) {
 
-				return expandValueSetHandleIncludeOrExcludeUsingDatabase(theValueSetCodeAccumulator, theAddedCodes, theIncludeOrExclude, theAdd, theCodeCounter, theQueryIndex, theWantConceptOrNull, system, cs);
+				return expandValueSetHandleIncludeOrExcludeUsingDatabase(theValueSetCodeAccumulator, theAddedCodes, theIncludeOrExclude, theAdd, theCodeCounter, theQueryIndex, theWantConceptOrNull, includeOrExcludeSystemUrl, cs);
 
 			} else {
 
@@ -679,7 +679,7 @@ public abstract class BaseTermReadSvcImpl implements ITermReadSvc {
 				}
 
 				// No CodeSystem matching the URL found in the database.
-				CodeSystem codeSystemFromContext = fetchCanonicalCodeSystemFromCompleteContext(system);
+				CodeSystem codeSystemFromContext = fetchCanonicalCodeSystemFromCompleteContext(includeOrExcludeSystemUrl);
 				if (codeSystemFromContext == null) {
 
 					// This is a last ditch effort.. We don't have a CodeSystem resource for the desired CS, and we don't have
@@ -704,7 +704,7 @@ public abstract class BaseTermReadSvcImpl implements ITermReadSvc {
 						for (VersionIndependentConcept next : includedConcepts) {
 							String nextSystem = next.getSystem();
 							if (nextSystem == null) {
-								nextSystem = system;
+								nextSystem = includeOrExcludeSystemUrl;
 							}
 
 							LookupCodeResult lookup = myValidationSupport.lookupCode(new ValidationSupportContext(provideValidationSupport()), nextSystem, next.getCode());
@@ -720,7 +720,7 @@ public abstract class BaseTermReadSvcImpl implements ITermReadSvc {
 						}
 					}
 
-					String msg = myContext.getLocalizer().getMessage(BaseTermReadSvcImpl.class, "expansionRefersToUnknownCs", system);
+					String msg = myContext.getLocalizer().getMessage(BaseTermReadSvcImpl.class, "expansionRefersToUnknownCs", includeOrExcludeSystemUrl);
 					if (provideExpansionOptions(theExpansionOptions).isFailOnMissingCodeSystem()) {
 						throw new PreconditionFailedException(msg);
 					} else {
@@ -735,12 +735,12 @@ public abstract class BaseTermReadSvcImpl implements ITermReadSvc {
 					for (ValueSet.ConceptReferenceComponent next : theIncludeOrExclude.getConcept()) {
 						String nextCode = next.getCode();
 						if (theWantConceptOrNull == null || theWantConceptOrNull.getCode().equals(nextCode)) {
-							if (isNoneBlank(system, nextCode) && !theAddedCodes.contains(system + "|" + nextCode)) {
+							if (isNoneBlank(includeOrExcludeSystemUrl, nextCode) && !theAddedCodes.contains(includeOrExcludeSystemUrl + "|" + nextCode)) {
 
 								CodeSystem.ConceptDefinitionComponent code = findCode(codeSystemFromContext.getConcept(), nextCode);
 								if (code != null) {
 									String display = code.getDisplay();
-									addOrRemoveCode(theValueSetCodeAccumulator, theAddedCodes, theAdd, system, nextCode, display);
+									addOrRemoveCode(theValueSetCodeAccumulator, theAddedCodes, theAdd, includeOrExcludeSystemUrl, nextCode, display);
 								}
 
 							}
@@ -748,7 +748,7 @@ public abstract class BaseTermReadSvcImpl implements ITermReadSvc {
 					}
 				} else {
 					List<CodeSystem.ConceptDefinitionComponent> concept = codeSystemFromContext.getConcept();
-					addConceptsToList(theValueSetCodeAccumulator, theAddedCodes, system, concept, theAdd, theWantConceptOrNull);
+					addConceptsToList(theValueSetCodeAccumulator, theAddedCodes, includeOrExcludeSystemUrl, concept, theAdd, theWantConceptOrNull);
 				}
 
 				return false;
@@ -841,13 +841,13 @@ public abstract class BaseTermReadSvcImpl implements ITermReadSvc {
 		/*
 		 * Filters
 		 */
-		String canonicalSystem;
+		String codeSystemIdentifier;
 		if (codeSystemVersion != null) {
-			canonicalSystem = theSystem + "|" + codeSystemVersion;
+			codeSystemIdentifier = theSystem + "|" + codeSystemVersion;
 		} else {
-			canonicalSystem = theSystem;
+			codeSystemIdentifier = theSystem;
 		}
-		handleFilters(bool, canonicalSystem, qb, theIncludeOrExclude);
+		handleFilters(bool, codeSystemIdentifier, qb, theIncludeOrExclude);
 
 		Query luceneQuery = bool.createQuery();
 
@@ -956,15 +956,15 @@ public abstract class BaseTermReadSvcImpl implements ITermReadSvc {
 		}
 	}
 
-	private void handleFilters(BooleanJunction<?> theBool, String theCanonicalSystem, QueryBuilder theQb, ValueSet.ConceptSetComponent theIncludeOrExclude) {
+	private void handleFilters(BooleanJunction<?> theBool, String theCodeSystemIdentifier, QueryBuilder theQb, ValueSet.ConceptSetComponent theIncludeOrExclude) {
 		if (theIncludeOrExclude.getFilter().size() > 0) {
 			for (ValueSet.ConceptSetFilterComponent nextFilter : theIncludeOrExclude.getFilter()) {
-				handleFilter(theCanonicalSystem, theQb, theBool, nextFilter);
+				handleFilter(theCodeSystemIdentifier, theQb, theBool, nextFilter);
 			}
 		}
 	}
 
-	private void handleFilter(String theSystem, QueryBuilder theQb, BooleanJunction<?> theBool, ValueSet.ConceptSetFilterComponent theFilter) {
+	private void handleFilter(String theCodeSystemIdentifier, QueryBuilder theQb, BooleanJunction<?> theBool, ValueSet.ConceptSetFilterComponent theFilter) {
 		if (isBlank(theFilter.getValue()) && theFilter.getOp() == null && isBlank(theFilter.getProperty())) {
 			return;
 		}
@@ -980,23 +980,23 @@ public abstract class BaseTermReadSvcImpl implements ITermReadSvc {
 				break;
 			case "concept":
 			case "code":
-				handleFilterConceptAndCode(theSystem, theQb, theBool, theFilter);
+				handleFilterConceptAndCode(theCodeSystemIdentifier, theQb, theBool, theFilter);
 				break;
 			case "parent":
 			case "child":
-				isCodeSystemLoingOrThrowInvalidRequestException(theSystem, theFilter.getProperty());
+				isCodeSystemLoingOrThrowInvalidRequestException(theCodeSystemIdentifier, theFilter.getProperty());
 				handleFilterLoincParentChild(theBool, theFilter);
 				break;
 			case "ancestor":
-				isCodeSystemLoingOrThrowInvalidRequestException(theSystem, theFilter.getProperty());
+				isCodeSystemLoingOrThrowInvalidRequestException(theCodeSystemIdentifier, theFilter.getProperty());
-				handleFilterLoincAncestor(theSystem, theBool, theFilter);
+				handleFilterLoincAncestor(theCodeSystemIdentifier, theBool, theFilter);
 				break;
 			case "descendant":
-				isCodeSystemLoingOrThrowInvalidRequestException(theSystem, theFilter.getProperty());
+				isCodeSystemLoingOrThrowInvalidRequestException(theCodeSystemIdentifier, theFilter.getProperty());
-				handleFilterLoincDescendant(theSystem, theBool, theFilter);
+				handleFilterLoincDescendant(theCodeSystemIdentifier, theBool, theFilter);
 				break;
 			case "copyright":
-				isCodeSystemLoingOrThrowInvalidRequestException(theSystem, theFilter.getProperty());
+				isCodeSystemLoingOrThrowInvalidRequestException(theCodeSystemIdentifier, theFilter.getProperty());
 				handleFilterLoincCopyright(theBool, theFilter);
 				break;
 			default:
@@ -1005,8 +1005,8 @@ public abstract class BaseTermReadSvcImpl implements ITermReadSvc {
 		}
 	}
 
-	private void isCodeSystemLoingOrThrowInvalidRequestException(String theSystem, String theProperty) {
+	private void isCodeSystemLoingOrThrowInvalidRequestException(String theSystemIdentifier, String theProperty) {
-		String systemUrl = getSystemFromCanonicalUrl(theSystem);
+		String systemUrl = getUrlFromIdentifier(theSystemIdentifier);
 		if (!isCodeSystemLoinc(systemUrl)) {
 			throw new InvalidRequestException("Invalid filter, property " + theProperty + " is LOINC-specific and cannot be used with system: " + systemUrl);
 		}
@@ -1435,12 +1435,12 @@ public abstract class BaseTermReadSvcImpl implements ITermReadSvc {
 	}
 
 	@Nullable
-	private TermCodeSystemVersion getCurrentCodeSystemVersion(String theUri) {
+	private TermCodeSystemVersion getCurrentCodeSystemVersion(String theCodeSystemIdentifier) {
-		String myVersion = getVersionFromCanonicalUrl(theUri);
+		String myVersion = getVersionFromIdentifier(theCodeSystemIdentifier);
-		String key = theUri;
+		String key = theCodeSystemIdentifier;
 		TermCodeSystemVersion retVal = myCodeSystemCurrentVersionCache.get(key.toString(), t -> myTxTemplate.execute(tx -> {
 			TermCodeSystemVersion csv = null;
-			TermCodeSystem cs = myCodeSystemDao.findByCodeSystemUri(getSystemFromCanonicalUrl(theUri));
+			TermCodeSystem cs = myCodeSystemDao.findByCodeSystemUri(getUrlFromIdentifier(theCodeSystemIdentifier));
 			if (cs != null) {
 				if (myVersion != null) {
 					csv = myCodeSystemVersionDao.findByCodeSystemPidAndVersion(cs.getPid(), myVersion);
@@ -1460,7 +1460,7 @@ public abstract class BaseTermReadSvcImpl implements ITermReadSvc {
 		return retVal;
 	}
 
-	private String getVersionFromCanonicalUrl(String theUri) {
+	private String getVersionFromIdentifier(String theUri) {
 		String retVal = null;
 		if (StringUtils.isNotEmpty((theUri))) {
 			int versionSeparator = theUri.lastIndexOf('|');
@@ -1471,7 +1471,7 @@ public abstract class BaseTermReadSvcImpl implements ITermReadSvc {
 		return retVal;
 	}
 
-	private String getSystemFromCanonicalUrl(String theUri) {
+	private String getUrlFromIdentifier(String theUri) {
 		String retVal = theUri;
 		if (StringUtils.isNotEmpty((theUri))){
 			int versionSeparator = theUri.lastIndexOf('|');
@@ -1777,15 +1777,15 @@ public abstract class BaseTermReadSvcImpl implements ITermReadSvc {
 	}
 
 	@Override
-	public CodeValidationResult validateCode(ConceptValidationOptions theOptions, IIdType theValueSetId, String theValueSetUrl, String theSystem, String theCode, String theDisplay, IBaseDatatype theCoding, IBaseDatatype theCodeableConcept) {
+	public CodeValidationResult validateCode(ConceptValidationOptions theOptions, IIdType theValueSetId, String theValueSetIdentifier, String theCodeSystemIdentifierToValidate, String theCodeToValidate, String theDisplayToValidate, IBaseDatatype theCodingToValidate, IBaseDatatype theCodeableConceptToValidate) {
 
-		CodeableConcept codeableConcept = toCanonicalCodeableConcept(theCodeableConcept);
+		CodeableConcept codeableConcept = toCanonicalCodeableConcept(theCodeableConceptToValidate);
 		boolean haveCodeableConcept = codeableConcept != null && codeableConcept.getCoding().size() > 0;
 
-		Coding coding = toCanonicalCoding(theCoding);
+		Coding canonicalCodingToValidate = toCanonicalCoding(theCodingToValidate);
-		boolean haveCoding = coding != null && coding.isEmpty() == false;
+		boolean haveCoding = canonicalCodingToValidate != null && canonicalCodingToValidate.isEmpty() == false;
 
-		boolean haveCode = theCode != null && theCode.isEmpty() == false;
+		boolean haveCode = theCodeToValidate != null && theCodeToValidate.isEmpty() == false;
 
 		if (!haveCodeableConcept && !haveCoding && !haveCode) {
 			throw new InvalidRequestException("No code, coding, or codeableConcept provided to validate");
@@ -1794,38 +1794,54 @@ public abstract class BaseTermReadSvcImpl implements ITermReadSvc {
 			throw new InvalidRequestException("$validate-code can only validate (system AND code) OR (coding) OR (codeableConcept)");
 		}
 
-		boolean haveIdentifierParam = isNotBlank(theValueSetUrl);
+		boolean haveIdentifierParam = isNotBlank(theValueSetIdentifier);
-		String valueSetUrl;
+		String valueSetIdentifier;
 		if (theValueSetId != null) {
 			IBaseResource valueSet = myDaoRegistry.getResourceDao("ValueSet").read(theValueSetId);
-			valueSetUrl = CommonCodeSystemsTerminologyService.getValueSetUrl(valueSet);
+			StringBuilder valueSetIdentifierBuilder = new StringBuilder(CommonCodeSystemsTerminologyService.getValueSetUrl(valueSet));
+			String valueSetVersion = CommonCodeSystemsTerminologyService.getValueSetVersion(valueSet);
+			if (valueSetVersion != null) {
+				valueSetIdentifierBuilder.append("|").append(valueSetVersion);
+			}
+			valueSetIdentifier = valueSetIdentifierBuilder.toString();
+
 		} else if (haveIdentifierParam) {
-			valueSetUrl = theValueSetUrl;
+			valueSetIdentifier = theValueSetIdentifier;
 		} else {
 			throw new InvalidRequestException("Either ValueSet ID or ValueSet identifier or system and code must be provided. Unable to validate.");
 		}
 
 		ValidationSupportContext validationContext = new ValidationSupportContext(provideValidationSupport());
 
-		String code = theCode;
+		String codeValueToValidate = theCodeToValidate;
-		String system = theSystem;
+		String codeSystemIdentifierValueToValidate = theCodeSystemIdentifierToValidate;
-		String display = theDisplay;
+		String codeDisplayValueToValidate = theDisplayToValidate;
 
 		if (haveCodeableConcept) {
 			for (int i = 0; i < codeableConcept.getCoding().size(); i++) {
 				Coding nextCoding = codeableConcept.getCoding().get(i);
-				CodeValidationResult nextValidation = validateCode(validationContext, theOptions, nextCoding.getSystem(), nextCoding.getCode(), nextCoding.getDisplay(), valueSetUrl);
+				String codeSystemIdentifier;
+				if (nextCoding.hasVersion()) {
+					codeSystemIdentifier = nextCoding.getSystem() + "|" + nextCoding.getVersion();
+				} else {
+					codeSystemIdentifier = nextCoding.getSystem();
+				}
+				CodeValidationResult nextValidation = validateCode(validationContext, theOptions, codeSystemIdentifier, nextCoding.getCode(), nextCoding.getDisplay(), valueSetIdentifier);
 				if (nextValidation.isOk() || i == codeableConcept.getCoding().size() - 1) {
 					return nextValidation;
 				}
 			}
 		} else if (haveCoding) {
-			system = coding.getSystem();
+			if (canonicalCodingToValidate.hasVersion()) {
-			code = coding.getCode();
+				codeSystemIdentifierValueToValidate = canonicalCodingToValidate.getSystem() + "|" + canonicalCodingToValidate.getVersion();
-			display = coding.getDisplay();
+			} else {
+				codeSystemIdentifierValueToValidate = canonicalCodingToValidate.getSystem();
+			}
+			codeValueToValidate = canonicalCodingToValidate.getCode();
+			codeDisplayValueToValidate = canonicalCodingToValidate.getDisplay();
 		}
 
-		return validateCode(validationContext, theOptions, system, code, display, valueSetUrl);
+		return validateCode(validationContext, theOptions, codeSystemIdentifierValueToValidate, codeValueToValidate, codeDisplayValueToValidate, valueSetIdentifier);
 	}
 
 	private boolean isNotSafeToPreExpandValueSets() {
@@ -1914,22 +1930,22 @@ public abstract class BaseTermReadSvcImpl implements ITermReadSvc {
 			throw new InvalidRequestException("Unable to test subsumption across different code system versions");
 		}
 
-		String codeACanonicalUrl;
+		String codeASystemIdentifier;
 		if (StringUtils.isNotEmpty(conceptA.getSystemVersion())) {
-			 codeACanonicalUrl = conceptA.getSystem() + "|" + conceptA.getSystemVersion();
+			 codeASystemIdentifier = conceptA.getSystem() + "|" + conceptA.getSystemVersion();
 		} else {
-			codeACanonicalUrl = conceptA.getSystem();
+			codeASystemIdentifier = conceptA.getSystem();
 		}
-		TermConcept codeA = findCode(codeACanonicalUrl, conceptA.getCode())
+		TermConcept codeA = findCode(codeASystemIdentifier, conceptA.getCode())
 			.orElseThrow(() -> new InvalidRequestException("Unknown code: " + conceptA));
 
-		String codeBCanonicalUrl;
+		String codeBSystemIdentifier;
 		if (StringUtils.isNotEmpty(conceptB.getSystemVersion())) {
-			codeBCanonicalUrl = conceptB.getSystem() + "|" + conceptB.getSystemVersion();
+			codeBSystemIdentifier = conceptB.getSystem() + "|" + conceptB.getSystemVersion();
 		} else {
-			codeBCanonicalUrl = conceptB.getSystem();
+			codeBSystemIdentifier = conceptB.getSystem();
 		}
-		TermConcept codeB = findCode(codeBCanonicalUrl, conceptB.getCode())
+		TermConcept codeB = findCode(codeBSystemIdentifier, conceptB.getCode())
 			.orElseThrow(() -> new InvalidRequestException("Unknown code: " + conceptB));
 
 		FullTextEntityManager em = org.hibernate.search.jpa.Search.getFullTextEntityManager(myEntityManager);
@@ -2405,6 +2421,9 @@ public abstract class BaseTermReadSvcImpl implements ITermReadSvc {
 	@Nullable
 	protected abstract Coding toCanonicalCoding(@Nullable IBaseDatatype theCoding);
 
+	@Nullable
+	protected abstract Coding toCanonicalCoding(@Nullable IBaseCoding theCoding);
+
 	@Nullable
 	protected abstract CodeableConcept toCanonicalCodeableConcept(@Nullable IBaseDatatype theCodeableConcept);
 
@@ -2496,14 +2515,15 @@ public abstract class BaseTermReadSvcImpl implements ITermReadSvc {
 	}
 
 	@NotNull
-	private VersionIndependentConcept toConcept(IPrimitiveType<String> theCodeType, IPrimitiveType<String> theSystemType, IBaseCoding theCodingType) {
+	private VersionIndependentConcept toConcept(IPrimitiveType<String> theCodeType, IPrimitiveType<String> theCodeSystemIdentifierType, IBaseCoding theCodingType) {
 		String code = theCodeType != null ? theCodeType.getValueAsString() : null;
-		String system = theSystemType != null ? getSystemFromCanonicalUrl(theSystemType.getValueAsString()): null;
+		String system = theCodeSystemIdentifierType != null ? getUrlFromIdentifier(theCodeSystemIdentifierType.getValueAsString()): null;
-		String systemVersion = theSystemType != null ? getVersionFromCanonicalUrl(theSystemType.getValueAsString()): null;
+		String systemVersion = theCodeSystemIdentifierType != null ? getVersionFromIdentifier(theCodeSystemIdentifierType.getValueAsString()): null;
 		if (theCodingType != null) {
-			code = theCodingType.getCode();
+			Coding canonicalizedCoding = toCanonicalCoding(theCodingType);
-			system = getSystemFromCanonicalUrl(theCodingType.getSystem());
+			code = canonicalizedCoding.getCode();
-			systemVersion = getVersionFromCanonicalUrl(theCodingType.getSystem());
+			system = canonicalizedCoding.getSystem();
+			systemVersion = canonicalizedCoding.getVersion();
 		}
 		return new VersionIndependentConcept(system, code, null, systemVersion);
 	}

hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/term/TermReadSvcDstu2.java

@@ -27,6 +27,7 @@ import ca.uhn.fhir.jpa.model.entity.ResourceTable;
 import ca.uhn.fhir.model.dstu2.composite.CodeableConceptDt;
 import ca.uhn.fhir.model.dstu2.composite.CodingDt;
 import ca.uhn.fhir.util.VersionIndependentConcept;
+import org.hl7.fhir.instance.model.api.IBaseCoding;
 import org.hl7.fhir.instance.model.api.IBaseDatatype;
 import org.hl7.fhir.instance.model.api.IBaseResource;
 import org.hl7.fhir.r4.model.CodeSystem;
@@ -148,6 +149,17 @@ public class TermReadSvcDstu2 extends BaseTermReadSvcImpl {
 		return retVal;
 	}
 
+	@Nullable
+	@Override
+	protected Coding toCanonicalCoding(@Nullable IBaseCoding theCoding) {
+		Coding retVal = null;
+		if (theCoding != null) {
+			CodingDt coding = (CodingDt) theCoding;
+			retVal = new Coding(coding.getSystem(), coding.getCode(), coding.getDisplay());
+		}
+		return retVal;
+	}
+
 	@Nullable
 	@Override
 	protected CodeableConcept toCanonicalCodeableConcept(@Nullable IBaseDatatype theCodeableConcept) {
@@ -157,7 +169,7 @@ public class TermReadSvcDstu2 extends BaseTermReadSvcImpl {
 			CodeableConceptDt cc = (CodeableConceptDt) theCodeableConcept;
 			outcome.setText(cc.getText());
 			for (CodingDt next : cc.getCoding()) {
-				outcome.addCoding(toCanonicalCoding(next));
+				outcome.addCoding(toCanonicalCoding((IBaseDatatype)next));
 			}
 		}
 		return outcome;

hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/term/TermReadSvcDstu3.java

@@ -20,6 +20,7 @@ import org.hl7.fhir.dstu3.model.CodeableConcept;
 import org.hl7.fhir.dstu3.model.Coding;
 import org.hl7.fhir.dstu3.model.ValueSet;
 import org.hl7.fhir.exceptions.FHIRException;
+import org.hl7.fhir.instance.model.api.IBaseCoding;
 import org.hl7.fhir.instance.model.api.IBaseDatatype;
 import org.hl7.fhir.instance.model.api.IBaseResource;
 import org.hl7.fhir.utilities.validation.ValidationOptions;
@@ -112,6 +113,12 @@ public class TermReadSvcDstu3 extends BaseTermReadSvcImpl implements IValidation
 		return VersionConvertor_30_40.convertCoding((org.hl7.fhir.dstu3.model.Coding) theCoding);
 	}
 
+	@Override
+	@Nullable
+	protected org.hl7.fhir.r4.model.Coding toCanonicalCoding(IBaseCoding theCoding) {
+		return VersionConvertor_30_40.convertCoding((org.hl7.fhir.dstu3.model.Coding) theCoding);
+	}
+
 	@Override
 	@Nullable
 	protected org.hl7.fhir.r4.model.CodeableConcept toCanonicalCodeableConcept(IBaseDatatype theCoding) {

hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/term/TermReadSvcR4.java

@@ -8,6 +8,7 @@ import ca.uhn.fhir.context.support.ValueSetExpansionOptions;
 import ca.uhn.fhir.jpa.model.entity.ResourceTable;
 import ca.uhn.fhir.jpa.term.api.ITermReadSvcR4;
 import ca.uhn.fhir.jpa.term.ex.ExpansionTooCostlyException;
+import org.hl7.fhir.instance.model.api.IBaseCoding;
 import org.hl7.fhir.instance.model.api.IBaseDatatype;
 import org.hl7.fhir.instance.model.api.IBaseResource;
 import org.hl7.fhir.r4.model.CodeSystem;
@@ -107,6 +108,11 @@ public class TermReadSvcR4 extends BaseTermReadSvcImpl implements ITermReadSvcR4
 		return (Coding) theCoding;
 	}
 
+	@Override
+	protected Coding toCanonicalCoding(IBaseCoding theCoding) {
+		return (Coding) theCoding;
+	}
+
 	@Override
 	protected CodeableConcept toCanonicalCodeableConcept(IBaseDatatype theCodeableConcept) {
 		return (CodeableConcept) theCodeableConcept;

hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/term/TermReadSvcR5.java

@@ -12,6 +12,7 @@ import ca.uhn.fhir.jpa.term.ex.ExpansionTooCostlyException;
 import ca.uhn.fhir.util.ValidateUtil;
 import org.hl7.fhir.convertors.VersionConvertor_40_50;
 import org.hl7.fhir.convertors.conv40_50.CodeSystem40_50;
+import org.hl7.fhir.instance.model.api.IBaseCoding;
 import org.hl7.fhir.instance.model.api.IBaseDatatype;
 import org.hl7.fhir.instance.model.api.IBaseResource;
 import org.hl7.fhir.r5.model.CodeSystem;
@@ -111,6 +112,12 @@ public class TermReadSvcR5 extends BaseTermReadSvcImpl implements IValidationSup
 		return VersionConvertor_40_50.convertCoding((Coding) theCoding);
 	}
 
+	@Override
+	@Nullable
+	protected org.hl7.fhir.r4.model.Coding toCanonicalCoding(IBaseCoding theCoding) {
+		return VersionConvertor_40_50.convertCoding((Coding) theCoding);
+	}
+
 	@Override
 	@Nullable
 	protected org.hl7.fhir.r4.model.CodeableConcept toCanonicalCodeableConcept(IBaseDatatype theCoding) {

hapi-fhir-jpaserver-base/src/test/java/ca/uhn/fhir/jpa/provider/dstu3/ResourceProviderDstu3ValueSetVersionedTest.java

@@ -29,6 +29,10 @@ import org.hl7.fhir.dstu3.model.ValueSet;
 import org.hl7.fhir.dstu3.model.ValueSet.ConceptSetComponent;
 import org.hl7.fhir.dstu3.model.ValueSet.FilterOperator;
 import org.hl7.fhir.dstu3.model.codesystems.HttpVerb;
+import org.hl7.fhir.dstu3.model.BooleanType;
+import org.hl7.fhir.dstu3.model.CodeType;
+import org.hl7.fhir.dstu3.model.CodeableConcept;
+import org.hl7.fhir.dstu3.model.Coding;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.Test;
 import org.springframework.data.domain.PageRequest;
@@ -49,6 +53,7 @@ import static org.hamcrest.Matchers.containsStringIgnoringCase;
 import static org.hamcrest.Matchers.not;
 import static org.hamcrest.Matchers.stringContainsInOrder;
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertSame;
 import static org.junit.jupiter.api.Assertions.assertTrue;
@@ -116,21 +121,16 @@ public class ResourceProviderDstu3ValueSetVersionedTest extends BaseResourceProv
 
 	private void loadAndPersistValueSet() throws IOException {
 		ValueSet valueSet = loadResourceFromClasspath(ValueSet.class, "/extensional-case-3-vs.xml");
-		persistTwoVersionsOfValueSet(valueSet, HttpVerb.POST);
+		valueSet.setVersion("1");
-	}
+		valueSet.setId("ValueSet/vs1");
-
+		valueSet.getCompose().getInclude().get(0).setVersion("1");
-	@SuppressWarnings("EnumSwitchStatementWhichMissesCases")
+		myExtensionalVsId_v1 = persistSingleValueSet(valueSet, HttpVerb.POST);
-	private void persistTwoVersionsOfValueSet(ValueSet theValueSet, HttpVerb theVerb) {
-		theValueSet.setVersion("1");
-		theValueSet.setId("ValueSet/vs1");
-		theValueSet.getCompose().getInclude().get(0).setVersion("1");
-		myExtensionalVsId_v1 = persistSingleValueSet(theValueSet, theVerb);
 		myExtensionalVsIdOnResourceTable_v1 = myValueSetDao.readEntity(myExtensionalVsId_v1, null).getId();
 
-		theValueSet.setVersion("2");
+		valueSet.setVersion("2");
-		theValueSet.setId("ValueSet/vs2");
+		valueSet.setId("ValueSet/vs2");
-		theValueSet.getCompose().getInclude().get(0).setVersion("2");
+		valueSet.getCompose().getInclude().get(0).setVersion("2");
-		myExtensionalVsId_v2 = persistSingleValueSet(theValueSet, theVerb);
+		myExtensionalVsId_v2 = persistSingleValueSet(valueSet, HttpVerb.POST);
 		myExtensionalVsIdOnResourceTable_v2 = myValueSetDao.readEntity(myExtensionalVsId_v2, null).getId();
 
 	}
@@ -138,6 +138,8 @@ public class ResourceProviderDstu3ValueSetVersionedTest extends BaseResourceProv
 	private IIdType persistSingleValueSet(ValueSet theValueSet, HttpVerb theVerb) {
 		final IIdType[] vsId = new IIdType[1];
 		switch (theVerb) {
+			case GET:
+				break;
 			case POST:
 				new TransactionTemplate(myTxManager).execute(new TransactionCallbackWithoutResult() {
 					@Override
@@ -154,6 +156,8 @@ public class ResourceProviderDstu3ValueSetVersionedTest extends BaseResourceProv
 					}
 				});
 				break;
+			case DELETE:
+			case NULL:
 			default:
 				throw new IllegalArgumentException("HTTP verb is not supported: " + theVerb);
 		}
@@ -1053,7 +1057,7 @@ public class ResourceProviderDstu3ValueSetVersionedTest extends BaseResourceProv
 
 			TermValueSetConcept concept = termValueSet.getConcepts().get(0);
 			ourLog.info("Concept:\n" + concept.toString());
-			assertEquals("http://acme.org", concept.getSystem());
+			assertEquals("http://acme.org|1", concept.getSystem());
 			assertEquals("8450-9", concept.getCode());
 			assertEquals("Systolic blood pressure--expiration", concept.getDisplay());
 			assertEquals(2, concept.getDesignations().size());
@@ -1075,7 +1079,7 @@ public class ResourceProviderDstu3ValueSetVersionedTest extends BaseResourceProv
 
 			concept = termValueSet.getConcepts().get(1);
 			ourLog.info("Concept:\n" + concept.toString());
-			assertEquals("http://acme.org", concept.getSystem());
+			assertEquals("http://acme.org|1", concept.getSystem());
 			assertEquals("11378-7", concept.getCode());
 			assertEquals("Systolic blood pressure at First encounter", concept.getDisplay());
 			assertEquals(0, concept.getDesignations().size());
@@ -1085,7 +1089,7 @@ public class ResourceProviderDstu3ValueSetVersionedTest extends BaseResourceProv
 
 			concept = termValueSet.getConcepts().get(22);
 			ourLog.info("Concept:\n" + concept.toString());
-			assertEquals("http://acme.org", concept.getSystem());
+			assertEquals("http://acme.org|1", concept.getSystem());
 			assertEquals("8491-3", concept.getCode());
 			assertEquals("Systolic blood pressure 1 hour minimum", concept.getDisplay());
 			assertEquals(1, concept.getDesignations().size());
@@ -1100,7 +1104,7 @@ public class ResourceProviderDstu3ValueSetVersionedTest extends BaseResourceProv
 
 			concept = termValueSet.getConcepts().get(23);
 			ourLog.info("Concept:\n" + concept.toString());
-			assertEquals("http://acme.org", concept.getSystem());
+			assertEquals("http://acme.org|1", concept.getSystem());
 			assertEquals("8492-1", concept.getCode());
 			assertEquals("Systolic blood pressure 8 hour minimum", concept.getDisplay());
 			assertEquals(0, concept.getDesignations().size());
@@ -1126,7 +1130,7 @@ public class ResourceProviderDstu3ValueSetVersionedTest extends BaseResourceProv
 
 			TermValueSetConcept concept = termValueSet.getConcepts().get(0);
 			ourLog.info("Concept:\n" + concept.toString());
-			assertEquals("http://acme.org", concept.getSystem());
+			assertEquals("http://acme.org|2", concept.getSystem());
 			assertEquals("8450-9", concept.getCode());
 			assertEquals("Systolic blood pressure--expiration v2", concept.getDisplay());
 			assertEquals(2, concept.getDesignations().size());
@@ -1148,7 +1152,7 @@ public class ResourceProviderDstu3ValueSetVersionedTest extends BaseResourceProv
 
 			concept = termValueSet.getConcepts().get(1);
 			ourLog.info("Concept:\n" + concept.toString());
-			assertEquals("http://acme.org", concept.getSystem());
+			assertEquals("http://acme.org|2", concept.getSystem());
 			assertEquals("11378-7", concept.getCode());
 			assertEquals("Systolic blood pressure at First encounter v2", concept.getDisplay());
 			assertEquals(0, concept.getDesignations().size());
@@ -1158,7 +1162,7 @@ public class ResourceProviderDstu3ValueSetVersionedTest extends BaseResourceProv
 
 			concept = termValueSet.getConcepts().get(22);
 			ourLog.info("Concept:\n" + concept.toString());
-			assertEquals("http://acme.org", concept.getSystem());
+			assertEquals("http://acme.org|2", concept.getSystem());
 			assertEquals("8491-3", concept.getCode());
 			assertEquals("Systolic blood pressure 1 hour minimum v2", concept.getDisplay());
 			assertEquals(1, concept.getDesignations().size());
@@ -1173,161 +1177,16 @@ public class ResourceProviderDstu3ValueSetVersionedTest extends BaseResourceProv
 
 			concept = termValueSet.getConcepts().get(23);
 			ourLog.info("Concept:\n" + concept.toString());
-			assertEquals("http://acme.org", concept.getSystem());
+			assertEquals("http://acme.org|2", concept.getSystem());
 			assertEquals("8492-1", concept.getCode());
 			assertEquals("Systolic blood pressure 8 hour minimum v2", concept.getDisplay());
 			assertEquals(0, concept.getDesignations().size());
 			assertEquals(23, concept.getOrder());
 		});
 	}
-/*
-	@Test
-	public void testValidateCodeOperationByCodeAndSystemInstance() throws Exception {
-		loadAndPersistCodeSystemAndValueSet();
-
-		Parameters respParam = ourClient
-			.operation()
-			.onInstance(myExtensionalVsId_v1)
-			.named("validate-code")
-			.withParameter(Parameters.class, "code", new CodeType("8495-4"))
-			.andParameter("system", new UriType("http://acme.org"))
-			.execute();
-
-		String resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
-		ourLog.info(resp);
-
-		assertEquals(true, ((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
-	}
 
 	@Test
-	public void testValidateCodeOperationByCodeAndSystemInstanceOnType() throws IOException {
+	public void testCreateDuplicateValueSetVersion() {
-		createLocalCs();
-		createLocalVsWithIncludeConcept();
-
-		String url = ourServerBase +
-			"/ValueSet/" + myLocalValueSetId_v1.getIdPart() + "/$validate-code?system=" +
-			UrlUtil.escapeUrlParam(URL_MY_CODE_SYSTEM) +
-			"&code=AA";
-
-		HttpGet request = new HttpGet(url);
-		request.addHeader("Accept", "application/fhir+json");
-		try (CloseableHttpResponse response = ourHttpClient.execute(request)) {
-			String respString = IOUtils.toString(response.getEntity().getContent(), Charsets.UTF_8);
-			ourLog.info(respString);
-
-			Parameters respParam = myFhirCtx.newJsonParser().parseResource(Parameters.class, respString);
-			assertTrue(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
-		}
-	}
-
-	@Test
-	public void testValidateCodeOperationByCodeAndSystemInstanceOnInstance() throws IOException {
-		createLocalCs();
-		createLocalVsWithIncludeConcept();
-
-		String url = ourServerBase +
-			"/ValueSet/" + myLocalValueSetId_v1.getIdPart() + "/$validate-code?system=" +
-			UrlUtil.escapeUrlParam(URL_MY_CODE_SYSTEM) +
-			"&code=AA";
-
-		ourLog.info("* Requesting: {}", url);
-
-		HttpGet request = new HttpGet(url);
-		request.addHeader("Accept", "application/fhir+json");
-		try (CloseableHttpResponse response = ourHttpClient.execute(request)) {
-			String respString = IOUtils.toString(response.getEntity().getContent(), Charsets.UTF_8);
-			ourLog.info(respString);
-
-			Parameters respParam = myFhirCtx.newJsonParser().parseResource(Parameters.class, respString);
-			assertTrue(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
-		}
-	}
-
-	@Test
-	public void testValidateCodeOperationByCodeAndSystemType() throws Exception {
-		loadAndPersistCodeSystemAndValueSet();
-
-		Parameters respParam = ourClient
-			.operation()
-			.onInstance(myExtensionalVsId_v1)
-			.named("validate-code")
-			.withParameter(Parameters.class, "code", new CodeType("8450-9"))
-			.andParameter("system", new UriType("http://acme.org"))
-			.execute();
-
-		String resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
-		ourLog.info(resp);
-
-		assertEquals(true, ((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
-	}
-
-	@Test
-	public void testValidateCodeOperationNoValueSetProvided() throws Exception {
-		loadAndPersistCodeSystemAndValueSet();
-
-		try {
-			ourClient
-				.operation()
-				.onType(ValueSet.class)
-				.named("validate-code")
-				.withParameter(Parameters.class, "code", new CodeType("8450-9"))
-				.andParameter("system", new UriType("http://acme.org"))
-				.execute();
-			fail();
-		} catch (InvalidRequestException e) {
-			assertEquals("HTTP 400 Bad Request: Either ValueSet ID or ValueSet identifier or system and code must be provided. Unable to validate.", e.getMessage());
-		}
-	}
-
-	@Test
-	public void testValidateCodeOperationOnInstanceWithIsAExpansion() throws IOException {
-		CodeSystem cs = new CodeSystem();
-		cs.setUrl("http://mycs");
-		cs.setContent(CodeSystemContentMode.COMPLETE);
-		cs.setHierarchyMeaning(CodeSystem.CodeSystemHierarchyMeaning.ISA);
-		cs.setStatus(Enumerations.PublicationStatus.ACTIVE);
-		ConceptDefinitionComponent parentA = cs.addConcept().setCode("ParentA").setDisplay("Parent A");
-		parentA.addConcept().setCode("ChildAA").setDisplay("Child AA");
-		myCodeSystemDao.create(cs);
-
-		ValueSet vs = new ValueSet();
-		vs.setUrl("http://myvs");
-		vs.getCompose()
-			.addInclude()
-			.setSystem("http://mycs")
-			.addFilter()
-			.setOp(FilterOperator.ISA)
-			.setProperty("concept")
-			.setValue("ParentA");
-		IIdType vsId = myValueSetDao.create(vs).getId().toUnqualifiedVersionless();
-
-		HttpGet expandGet = new HttpGet(ourServerBase + "/ValueSet/" + vsId.getIdPart() + "/$expand?_pretty=true");
-		try (CloseableHttpResponse status = ourHttpClient.execute(expandGet)) {
-			String response = IOUtils.toString(status.getEntity().getContent(), Charsets.UTF_8);
-			ourLog.info("Response: {}", response);
-		}
-
-		HttpGet validateCodeGet = new HttpGet(ourServerBase + "/ValueSet/" + vsId.getIdPart() + "/$validate-code?system=http://mycs&code=ChildAA&_pretty=true");
-		try (CloseableHttpResponse status = ourHttpClient.execute(validateCodeGet)) {
-			String response = IOUtils.toString(status.getEntity().getContent(), Charsets.UTF_8);
-			ourLog.info("Response: {}", response);
-			Parameters output = myFhirCtx.newXmlParser().parseResource(Parameters.class, response);
-			assertEquals(true, output.getParameterBool("result"));
-		}
-
-		HttpGet validateCodeGet2 = new HttpGet(ourServerBase + "/ValueSet/" + vsId.getIdPart() + "/$validate-code?system=http://mycs&code=FOO&_pretty=true");
-		try (CloseableHttpResponse status = ourHttpClient.execute(validateCodeGet2)) {
-			String response = IOUtils.toString(status.getEntity().getContent(), Charsets.UTF_8);
-			ourLog.info("Response: {}", response);
-			Parameters output = myFhirCtx.newXmlParser().parseResource(Parameters.class, response);
-			assertEquals(false, output.getParameterBool("result"));
-		}
-
-	}
-*/
-
-	@Test
-	public void testCreateDuplicatValueSetVersion() {
 		createExternalCsAndLocalVs();
 		try {
 			persistLocalVs(createLocalVs(URL_MY_CODE_SYSTEM, "1"));
@@ -1338,6 +1197,284 @@ public class ResourceProviderDstu3ValueSetVersionedTest extends BaseResourceProv
 
 	}
 
+	@Test
+	public void testValidateCodeOperationByCodeAndSystem() throws Exception {
+		loadAndPersistCodeSystemAndValueSet();
+
+		// With correct system version specified. Should pass.
+		Parameters respParam = ourClient
+			.operation()
+			.onType(ValueSet.class)
+			.named("validate-code")
+			.withParameter(Parameters.class, "code", new CodeType("8495-4"))
+			.andParameter("system", new UriType("http://acme.org"))
+			.andParameter("systemVersion", new StringType("1"))
+			.andParameter("url", new UriType("http://www.healthintersections.com.au/fhir/ValueSet/extensional-case-2"))
+			.andParameter("valueSetVersion", new StringType("1"))
+			.execute();
+
+		String resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertTrue(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+		respParam = ourClient
+			.operation()
+			.onType(ValueSet.class)
+			.named("validate-code")
+			.withParameter(Parameters.class, "code", new CodeType("8495-4"))
+			.andParameter("system", new UriType("http://acme.org"))
+			.andParameter("systemVersion", new StringType("2"))
+			.andParameter("url", new UriType("http://www.healthintersections.com.au/fhir/ValueSet/extensional-case-2"))
+			.andParameter("valueSetVersion", new StringType("2"))
+			.execute();
+
+		resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertTrue(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+		// With incorrect version specified. Should fail.
+		respParam = ourClient
+			.operation()
+			.onType(ValueSet.class)
+			.named("validate-code")
+			.withParameter(Parameters.class, "code", new CodeType("8495-4"))
+			.andParameter("system", new UriType("http://acme.org"))
+			.andParameter("systemVersion", new StringType("1"))
+			.andParameter("url", new UriType("http://www.healthintersections.com.au/fhir/ValueSet/extensional-case-2"))
+			.andParameter("valueSetVersion", new StringType("2"))
+			.execute();
+
+		resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertFalse(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+		respParam = ourClient
+			.operation()
+			.onType(ValueSet.class)
+			.named("validate-code")
+			.withParameter(Parameters.class, "code", new CodeType("8495-4"))
+			.andParameter("system", new UriType("http://acme.org"))
+			.andParameter("systemVersion", new StringType("2"))
+			.andParameter("url", new UriType("http://www.healthintersections.com.au/fhir/ValueSet/extensional-case-2"))
+			.andParameter("valueSetVersion", new StringType("1"))
+			.execute();
+
+		resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertFalse(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+	}
+
+	@Test
+	public void testValidateCodeOperationOnInstanceByCodeAndSystem() throws Exception {
+		loadAndPersistCodeSystemAndValueSet();
+
+		// With correct system version specified. Should pass.
+		Parameters respParam = ourClient
+			.operation()
+			.onInstance(myExtensionalVsId_v1)
+			.named("validate-code")
+			.withParameter(Parameters.class, "code", new CodeType("8495-4"))
+			.andParameter("system", new UriType("http://acme.org"))
+			.andParameter("systemVersion", new StringType("1"))
+			.execute();
+
+		String resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertTrue(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+		respParam = ourClient
+			.operation()
+			.onInstance(myExtensionalVsId_v2)
+			.named("validate-code")
+			.withParameter(Parameters.class, "code", new CodeType("8495-4"))
+			.andParameter("system", new UriType("http://acme.org"))
+			.andParameter("systemVersion", new StringType("2"))
+			.execute();
+
+		resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertTrue(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+		// With incorrect version specified. Should fail.
+		respParam = ourClient
+			.operation()
+			.onInstance(myExtensionalVsId_v1)
+			.named("validate-code")
+			.withParameter(Parameters.class, "code", new CodeType("8495-4"))
+			.andParameter("system", new UriType("http://acme.org"))
+			.andParameter("systemVersion", new StringType("2"))
+			.execute();
+
+		resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertFalse(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+		respParam = ourClient
+			.operation()
+			.onInstance(myExtensionalVsId_v2)
+			.named("validate-code")
+			.withParameter(Parameters.class, "code", new CodeType("8495-4"))
+			.andParameter("system", new UriType("http://acme.org"))
+			.andParameter("systemVersion", new StringType("1"))
+			.execute();
+
+		resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertFalse(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+	}
+
+	@Test
+	public void testValidateCodeOperationByCoding() throws Exception {
+		loadAndPersistCodeSystemAndValueSet();
+
+		Coding codingToValidate_v1 = new Coding("http://acme.org", "8495-4", "Systolic blood pressure 24 hour minimum");
+		codingToValidate_v1.setVersion("1");
+
+		Coding codingToValidate_v2 = new Coding("http://acme.org", "8495-4", "Systolic blood pressure 24 hour minimum v2");
+		codingToValidate_v2.setVersion("2");
+
+		// With correct system version specified. Should pass.
+		Parameters respParam = ourClient
+			.operation()
+			.onType(ValueSet.class)
+			.named("validate-code")
+			.withParameter(Parameters.class, "coding", codingToValidate_v1)
+			.andParameter("url", new UriType("http://www.healthintersections.com.au/fhir/ValueSet/extensional-case-2"))
+			.andParameter("valueSetVersion", new StringType("1"))
+			.execute();
+
+		String resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertTrue(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+		respParam = ourClient
+			.operation()
+			.onType(ValueSet.class)
+			.named("validate-code")
+			.withParameter(Parameters.class, "coding", codingToValidate_v2)
+			.andParameter("url", new UriType("http://www.healthintersections.com.au/fhir/ValueSet/extensional-case-2"))
+			.andParameter("valueSetVersion", new StringType("2"))
+			.execute();
+
+		resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertTrue(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+		// With incorrect version specified. Should fail.
+		respParam = ourClient
+			.operation()
+			.onType(ValueSet.class)
+			.named("validate-code")
+			.withParameter(Parameters.class, "coding", codingToValidate_v1)
+			.andParameter("url", new UriType("http://www.healthintersections.com.au/fhir/ValueSet/extensional-case-2"))
+			.andParameter("valueSetVersion", new StringType("2"))
+			.execute();
+
+		resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertFalse(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+		respParam = ourClient
+			.operation()
+			.onType(ValueSet.class)
+			.named("validate-code")
+			.withParameter(Parameters.class, "coding", codingToValidate_v2)
+			.andParameter("url", new UriType("http://www.healthintersections.com.au/fhir/ValueSet/extensional-case-2"))
+			.andParameter("valueSetVersion", new StringType("1"))
+			.execute();
+
+		resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertFalse(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+	}
+
+	@Test
+	public void testValidateCodeOperationByCodeableConcept() throws Exception {
+		loadAndPersistCodeSystemAndValueSet();
+
+		Coding codingToValidate = new Coding("http://acme.org", "8495-4", "Systolic blood pressure 24 hour minimum");
+		codingToValidate.setVersion("1");
+		CodeableConcept codeableConceptToValidate_v1 = new CodeableConcept(codingToValidate);
+
+		codingToValidate = new Coding("http://acme.org", "8495-4", "Systolic blood pressure 24 hour minimum v2");
+		codingToValidate.setVersion("2");
+		CodeableConcept codeableConceptToValidate_v2 = new CodeableConcept(codingToValidate);
+
+		// With correct system version specified. Should pass.
+		Parameters respParam = ourClient
+			.operation()
+			.onType(ValueSet.class)
+			.named("validate-code")
+			.withParameter(Parameters.class, "codeableConcept", codeableConceptToValidate_v1)
+			.andParameter("url", new UriType("http://www.healthintersections.com.au/fhir/ValueSet/extensional-case-2"))
+			.andParameter("valueSetVersion", new StringType("1"))
+			.execute();
+
+		String resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertTrue(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+		respParam = ourClient
+			.operation()
+			.onType(ValueSet.class)
+			.named("validate-code")
+			.withParameter(Parameters.class, "codeableConcept", codeableConceptToValidate_v2)
+			.andParameter("url", new UriType("http://www.healthintersections.com.au/fhir/ValueSet/extensional-case-2"))
+			.andParameter("valueSetVersion", new StringType("2"))
+			.execute();
+
+		resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertTrue(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+		// With incorrect version specified. Should fail.
+		respParam = ourClient
+			.operation()
+			.onType(ValueSet.class)
+			.named("validate-code")
+			.withParameter(Parameters.class, "codeableConcept", codeableConceptToValidate_v1)
+			.andParameter("url", new UriType("http://www.healthintersections.com.au/fhir/ValueSet/extensional-case-2"))
+			.andParameter("valueSetVersion", new StringType("2"))
+			.execute();
+
+		resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertFalse(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+		respParam = ourClient
+			.operation()
+			.onType(ValueSet.class)
+			.named("validate-code")
+			.withParameter(Parameters.class, "codeableConcept", codeableConceptToValidate_v2)
+			.andParameter("url", new UriType("http://www.healthintersections.com.au/fhir/ValueSet/extensional-case-2"))
+			.andParameter("valueSetVersion", new StringType("1"))
+			.execute();
+
+		resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertFalse(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+	}
+	
 	@AfterEach
 	public void afterResetPreExpansionDefault() {
 		myDaoConfig.setPreExpandValueSets(new DaoConfig().isPreExpandValueSets());

hapi-fhir-jpaserver-base/src/test/java/ca/uhn/fhir/jpa/provider/r4/ResourceProviderR4ValueSetVersionedTest.java

@@ -13,12 +13,11 @@ import ca.uhn.fhir.jpa.entity.TermValueSetPreExpansionStatusEnum;
 import ca.uhn.fhir.jpa.model.entity.ResourceTable;
 import ca.uhn.fhir.jpa.term.api.ITermCodeSystemStorageSvc;
 import ca.uhn.fhir.rest.api.server.storage.ResourcePersistentId;
-import ca.uhn.fhir.rest.server.exceptions.InvalidRequestException;
 import ca.uhn.fhir.rest.server.exceptions.ResourceNotFoundException;
 import ca.uhn.fhir.rest.server.exceptions.UnprocessableEntityException;
 import ca.uhn.fhir.rest.server.servlet.ServletRequestDetails;
 import ca.uhn.fhir.util.UrlUtil;
-import org.apache.commons.io.Charsets;
+import com.google.common.base.Charsets;
 import org.apache.commons.io.IOUtils;
 import org.apache.http.client.methods.CloseableHttpResponse;
 import org.apache.http.client.methods.HttpGet;
@@ -29,6 +28,8 @@ import org.hl7.fhir.r4.model.CodeSystem;
 import org.hl7.fhir.r4.model.CodeSystem.CodeSystemContentMode;
 import org.hl7.fhir.r4.model.CodeSystem.ConceptDefinitionComponent;
 import org.hl7.fhir.r4.model.CodeType;
+import org.hl7.fhir.r4.model.CodeableConcept;
+import org.hl7.fhir.r4.model.Coding;
 import org.hl7.fhir.r4.model.Enumerations;
 import org.hl7.fhir.r4.model.IdType;
 import org.hl7.fhir.r4.model.Parameters;
@@ -59,6 +60,7 @@ import static org.hamcrest.Matchers.containsStringIgnoringCase;
 import static org.hamcrest.Matchers.not;
 import static org.hamcrest.Matchers.stringContainsInOrder;
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertSame;
 import static org.junit.jupiter.api.Assertions.assertTrue;
@@ -126,21 +128,16 @@ public class ResourceProviderR4ValueSetVersionedTest extends BaseResourceProvide
 
 	private void loadAndPersistValueSet() throws IOException {
 		ValueSet valueSet = loadResourceFromClasspath(ValueSet.class, "/extensional-case-3-vs.xml");
-		persistTwoVersionsOfValueSet(valueSet, HttpVerb.POST);
+		valueSet.setVersion("1");
-	}
+		valueSet.setId("ValueSet/vs1");
-
+		valueSet.getCompose().getInclude().get(0).setVersion("1");
-	@SuppressWarnings("EnumSwitchStatementWhichMissesCases")
+		myExtensionalVsId_v1 = persistSingleValueSet(valueSet, HttpVerb.POST);
-	private void persistTwoVersionsOfValueSet(ValueSet theValueSet, HttpVerb theVerb) {
-		theValueSet.setVersion("1");
-		theValueSet.setId("ValueSet/vs1");
-		theValueSet.getCompose().getInclude().get(0).setVersion("1");
-		myExtensionalVsId_v1 = persistSingleValueSet(theValueSet, theVerb);
 		myExtensionalVsIdOnResourceTable_v1 = myValueSetDao.readEntity(myExtensionalVsId_v1, null).getId();
 
-		theValueSet.setVersion("2");
+		valueSet.setVersion("2");
-		theValueSet.setId("ValueSet/vs2");
+		valueSet.setId("ValueSet/vs2");
-		theValueSet.getCompose().getInclude().get(0).setVersion("2");
+		valueSet.getCompose().getInclude().get(0).setVersion("2");
-		myExtensionalVsId_v2 = persistSingleValueSet(theValueSet, theVerb);
+		myExtensionalVsId_v2 = persistSingleValueSet(valueSet, HttpVerb.POST);
 		myExtensionalVsIdOnResourceTable_v2 = myValueSetDao.readEntity(myExtensionalVsId_v2, null).getId();
 
 	}
@@ -148,6 +145,9 @@ public class ResourceProviderR4ValueSetVersionedTest extends BaseResourceProvide
 	private IIdType persistSingleValueSet(ValueSet theValueSet, HttpVerb theVerb) {
 		final IIdType[] vsId = new IIdType[1];
 		switch (theVerb) {
+			case GET:
+			case HEAD:
+				break;
 			case POST:
 				new TransactionTemplate(myTxManager).execute(new TransactionCallbackWithoutResult() {
 					@Override
@@ -164,6 +164,9 @@ public class ResourceProviderR4ValueSetVersionedTest extends BaseResourceProvide
 					}
 				});
 				break;
+			case DELETE:
+			case PATCH:
+			case NULL:
 			default:
 				throw new IllegalArgumentException("HTTP verb is not supported: " + theVerb);
 		}
@@ -188,12 +191,6 @@ public class ResourceProviderR4ValueSetVersionedTest extends BaseResourceProvide
 
 	}
 
-//	private void createExternalCsAndLocalVsWithUnknownCode() {
-//		String codeSystemUrl = createExternalCs();
-
-//		createLocalVsWithUnknownCode(codeSystemUrl);
-//	}
-
 	private void createLocalCs() {
 		CodeSystem codeSystem = new CodeSystem();
 		codeSystem.setUrl(URL_MY_CODE_SYSTEM);
@@ -250,27 +247,6 @@ public class ResourceProviderR4ValueSetVersionedTest extends BaseResourceProvide
 		return myValueSetDao.create(theValueSet, mySrd).getId().toUnqualifiedVersionless();
 	}
 
-	private void createLocalVsWithUnknownCode(String codeSystemUrl) {
-		myLocalVs_v1 = new ValueSet();
-		myLocalVs_v1.setUrl(URL_MY_VALUE_SET);
-		myLocalVs_v1.setVersion("1");
-		ConceptSetComponent include = myLocalVs_v1.getCompose().addInclude();
-		include.setSystem(codeSystemUrl);
-		include.setSystem("1");
-		include.addFilter().setProperty("concept").setOp(FilterOperator.ISA).setValue("childFOOOOOOO");
-		myLocalValueSetId_v1 = myValueSetDao.create(myLocalVs_v1, mySrd).getId().toUnqualifiedVersionless();
-
-		myLocalVs_v2 = new ValueSet();
-		myLocalVs_v2.setUrl(URL_MY_VALUE_SET);
-		myLocalVs_v2.setVersion("2");
-		include = myLocalVs_v2.getCompose().addInclude();
-		include.setSystem(codeSystemUrl);
-		include.setSystem("2");
-		include.addFilter().setProperty("concept").setOp(FilterOperator.ISA).setValue("childFOOOOOOO");
-		myLocalValueSetId_v2 = myValueSetDao.create(myLocalVs_v2, mySrd).getId().toUnqualifiedVersionless();
-
-	}
-
 	@Test
 	public void testExpandById() throws Exception {
 		loadAndPersistCodeSystemAndValueSet();
@@ -1201,151 +1177,284 @@ public class ResourceProviderR4ValueSetVersionedTest extends BaseResourceProvide
 			assertEquals(23, concept.getOrder());
 		});
 	}
-/*
+
 	@Test
-	public void testValidateCodeOperationByCodeAndSystemInstance() throws Exception {
+	public void testValidateCodeOperationByCodeAndSystem() throws Exception {
 		loadAndPersistCodeSystemAndValueSet();
 
+		// With correct system version specified. Should pass.
+		Parameters respParam = myClient
+			.operation()
+			.onType(ValueSet.class)
+			.named("validate-code")
+			.withParameter(Parameters.class, "code", new CodeType("8495-4"))
+			.andParameter("system", new UriType("http://acme.org"))
+			.andParameter("systemVersion", new StringType("1"))
+			.andParameter("url", new UriType("http://www.healthintersections.com.au/fhir/ValueSet/extensional-case-2"))
+			.andParameter("valueSetVersion", new StringType("1"))
+			.execute();
+
+		String resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertTrue(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+		respParam = myClient
+			.operation()
+			.onType(ValueSet.class)
+			.named("validate-code")
+			.withParameter(Parameters.class, "code", new CodeType("8495-4"))
+			.andParameter("system", new UriType("http://acme.org"))
+			.andParameter("systemVersion", new StringType("2"))
+			.andParameter("url", new UriType("http://www.healthintersections.com.au/fhir/ValueSet/extensional-case-2"))
+			.andParameter("valueSetVersion", new StringType("2"))
+			.execute();
+
+		resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertTrue(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+		// With incorrect version specified. Should fail.
+		respParam = myClient
+			.operation()
+			.onType(ValueSet.class)
+			.named("validate-code")
+			.withParameter(Parameters.class, "code", new CodeType("8495-4"))
+			.andParameter("system", new UriType("http://acme.org"))
+			.andParameter("systemVersion", new StringType("1"))
+			.andParameter("url", new UriType("http://www.healthintersections.com.au/fhir/ValueSet/extensional-case-2"))
+			.andParameter("valueSetVersion", new StringType("2"))
+			.execute();
+
+		resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertFalse(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+		respParam = myClient
+			.operation()
+			.onType(ValueSet.class)
+			.named("validate-code")
+			.withParameter(Parameters.class, "code", new CodeType("8495-4"))
+			.andParameter("system", new UriType("http://acme.org"))
+			.andParameter("systemVersion", new StringType("2"))
+			.andParameter("url", new UriType("http://www.healthintersections.com.au/fhir/ValueSet/extensional-case-2"))
+			.andParameter("valueSetVersion", new StringType("1"))
+			.execute();
+
+		resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertFalse(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+	}
+
+	@Test
+	public void testValidateCodeOperationOnInstanceByCodeAndSystem() throws Exception {
+		loadAndPersistCodeSystemAndValueSet();
+
+		// With correct system version specified. Should pass.
 		Parameters respParam = myClient
 			.operation()
 			.onInstance(myExtensionalVsId_v1)
 			.named("validate-code")
 			.withParameter(Parameters.class, "code", new CodeType("8495-4"))
 			.andParameter("system", new UriType("http://acme.org"))
+			.andParameter("systemVersion", new StringType("1"))
 			.execute();
 
 		String resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
 		ourLog.info(resp);
 
-		assertEquals(true, ((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
-	}
-
-	@Test
-	public void testValidateCodeOperationByCodeAndSystemInstanceOnType() throws IOException {
-		createLocalCs();
-		createLocalVsWithIncludeConcept();
-
-		String url = ourServerBase +
-			"/ValueSet/" + myLocalValueSetId_v1.getIdPart() + "/$validate-code?system=" +
-			UrlUtil.escapeUrlParam(URL_MY_CODE_SYSTEM) +
-			"&code=AA";
-
-		HttpGet request = new HttpGet(url);
-		request.addHeader("Accept", "application/fhir+json");
-		try (CloseableHttpResponse response = ourHttpClient.execute(request)) {
-			String respString = IOUtils.toString(response.getEntity().getContent(), Charsets.UTF_8);
-			ourLog.info(respString);
-
-			Parameters respParam = myFhirCtx.newJsonParser().parseResource(Parameters.class, respString);
 		assertTrue(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
-		}
-	}
 
-	@Test
+		respParam = myClient
-	public void testValidateCodeOperationByCodeAndSystemInstanceOnInstance() throws IOException {
+			.operation()
-		createLocalCs();
+			.onInstance(myExtensionalVsId_v2)
-		createLocalVsWithIncludeConcept();
+			.named("validate-code")
+			.withParameter(Parameters.class, "code", new CodeType("8495-4"))
+			.andParameter("system", new UriType("http://acme.org"))
+			.andParameter("systemVersion", new StringType("2"))
+			.execute();
 
-		String url = ourServerBase +
+		resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
-			"/ValueSet/" + myLocalValueSetId_v1.getIdPart() + "/$validate-code?system=" +
+		ourLog.info(resp);
-			UrlUtil.escapeUrlParam(URL_MY_CODE_SYSTEM) +
-			"&code=AA";
 
-		ourLog.info("* Requesting: {}", url);
-
-		HttpGet request = new HttpGet(url);
-		request.addHeader("Accept", "application/fhir+json");
-		try (CloseableHttpResponse response = ourHttpClient.execute(request)) {
-			String respString = IOUtils.toString(response.getEntity().getContent(), Charsets.UTF_8);
-			ourLog.info(respString);
-
-			Parameters respParam = myFhirCtx.newJsonParser().parseResource(Parameters.class, respString);
 		assertTrue(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
-		}
-	}
 
-	@Test
+		// With incorrect version specified. Should fail.
-	public void testValidateCodeOperationByCodeAndSystemType() throws Exception {
+		respParam = myClient
-		loadAndPersistCodeSystemAndValueSet();
-
-		Parameters respParam = myClient
 			.operation()
 			.onInstance(myExtensionalVsId_v1)
 			.named("validate-code")
-			.withParameter(Parameters.class, "code", new CodeType("8450-9"))
+			.withParameter(Parameters.class, "code", new CodeType("8495-4"))
 			.andParameter("system", new UriType("http://acme.org"))
+			.andParameter("systemVersion", new StringType("2"))
+			.execute();
+
+		resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertFalse(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+		respParam = myClient
+			.operation()
+			.onInstance(myExtensionalVsId_v2)
+			.named("validate-code")
+			.withParameter(Parameters.class, "code", new CodeType("8495-4"))
+			.andParameter("system", new UriType("http://acme.org"))
+			.andParameter("systemVersion", new StringType("1"))
+			.execute();
+
+		resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertFalse(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+	}
+
+	@Test
+	public void testValidateCodeOperationByCoding() throws Exception {
+		loadAndPersistCodeSystemAndValueSet();
+
+		Coding codingToValidate_v1 = new Coding("http://acme.org", "8495-4", "Systolic blood pressure 24 hour minimum");
+		codingToValidate_v1.setVersion("1");
+
+		Coding codingToValidate_v2 = new Coding("http://acme.org", "8495-4", "Systolic blood pressure 24 hour minimum v2");
+		codingToValidate_v2.setVersion("2");
+
+		// With correct system version specified. Should pass.
+		Parameters respParam = myClient
+			.operation()
+			.onType(ValueSet.class)
+			.named("validate-code")
+			.withParameter(Parameters.class, "coding", codingToValidate_v1)
+			.andParameter("url", new UriType("http://www.healthintersections.com.au/fhir/ValueSet/extensional-case-2"))
+			.andParameter("valueSetVersion", new StringType("1"))
 			.execute();
 
 		String resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
 		ourLog.info(resp);
 
-		assertEquals(true, ((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+		assertTrue(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
-	}
 
-	@Test
+		respParam = myClient
-	public void testValidateCodeOperationNoValueSetProvided() throws Exception {
-		loadAndPersistCodeSystemAndValueSet();
-
-		try {
-			myClient
 			.operation()
 			.onType(ValueSet.class)
 			.named("validate-code")
-				.withParameter(Parameters.class, "code", new CodeType("8450-9"))
+			.withParameter(Parameters.class, "coding", codingToValidate_v2)
-				.andParameter("system", new UriType("http://acme.org"))
+			.andParameter("url", new UriType("http://www.healthintersections.com.au/fhir/ValueSet/extensional-case-2"))
+			.andParameter("valueSetVersion", new StringType("2"))
 			.execute();
-			fail();
+
-		} catch (InvalidRequestException e) {
+		resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
-			assertEquals("HTTP 400 Bad Request: Either ValueSet ID or ValueSet identifier or system and code must be provided. Unable to validate.", e.getMessage());
+		ourLog.info(resp);
-		}
+
+		assertTrue(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+		// With incorrect version specified. Should fail.
+		respParam = myClient
+			.operation()
+			.onType(ValueSet.class)
+			.named("validate-code")
+			.withParameter(Parameters.class, "coding", codingToValidate_v1)
+			.andParameter("url", new UriType("http://www.healthintersections.com.au/fhir/ValueSet/extensional-case-2"))
+			.andParameter("valueSetVersion", new StringType("2"))
+			.execute();
+
+		resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertFalse(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+		respParam = myClient
+			.operation()
+			.onType(ValueSet.class)
+			.named("validate-code")
+			.withParameter(Parameters.class, "coding", codingToValidate_v2)
+			.andParameter("url", new UriType("http://www.healthintersections.com.au/fhir/ValueSet/extensional-case-2"))
+			.andParameter("valueSetVersion", new StringType("1"))
+			.execute();
+
+		resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertFalse(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
 	}
 
 	@Test
-	public void testValidateCodeOperationOnInstanceWithIsAExpansion() throws IOException {
+	public void testValidateCodeOperationByCodeableConcept() throws Exception {
-		CodeSystem cs = new CodeSystem();
+		loadAndPersistCodeSystemAndValueSet();
-		cs.setUrl("http://mycs");
-		cs.setContent(CodeSystemContentMode.COMPLETE);
-		cs.setHierarchyMeaning(CodeSystem.CodeSystemHierarchyMeaning.ISA);
-		cs.setStatus(Enumerations.PublicationStatus.ACTIVE);
-		ConceptDefinitionComponent parentA = cs.addConcept().setCode("ParentA").setDisplay("Parent A");
-		parentA.addConcept().setCode("ChildAA").setDisplay("Child AA");
-		myCodeSystemDao.create(cs);
 
-		ValueSet vs = new ValueSet();
+		Coding codingToValidate = new Coding("http://acme.org", "8495-4", "Systolic blood pressure 24 hour minimum");
-		vs.setUrl("http://myvs");
+		codingToValidate.setVersion("1");
-		vs.getCompose()
+		CodeableConcept codeableConceptToValidate_v1 = new CodeableConcept(codingToValidate);
-			.addInclude()
-			.setSystem("http://mycs")
-			.addFilter()
-			.setOp(FilterOperator.ISA)
-			.setProperty("concept")
-			.setValue("ParentA");
-		IIdType vsId = myValueSetDao.create(vs).getId().toUnqualifiedVersionless();
 
-		HttpGet expandGet = new HttpGet(ourServerBase + "/ValueSet/" + vsId.getIdPart() + "/$expand?_pretty=true");
+		codingToValidate = new Coding("http://acme.org", "8495-4", "Systolic blood pressure 24 hour minimum v2");
-		try (CloseableHttpResponse status = ourHttpClient.execute(expandGet)) {
+		codingToValidate.setVersion("2");
-			String response = IOUtils.toString(status.getEntity().getContent(), Charsets.UTF_8);
+		CodeableConcept codeableConceptToValidate_v2 = new CodeableConcept(codingToValidate);
-			ourLog.info("Response: {}", response);
-		}
 
-		HttpGet validateCodeGet = new HttpGet(ourServerBase + "/ValueSet/" + vsId.getIdPart() + "/$validate-code?system=http://mycs&code=ChildAA&_pretty=true");
+		// With correct system version specified. Should pass.
-		try (CloseableHttpResponse status = ourHttpClient.execute(validateCodeGet)) {
+		Parameters respParam = myClient
-			String response = IOUtils.toString(status.getEntity().getContent(), Charsets.UTF_8);
+			.operation()
-			ourLog.info("Response: {}", response);
+			.onType(ValueSet.class)
-			Parameters output = myFhirCtx.newXmlParser().parseResource(Parameters.class, response);
+			.named("validate-code")
-			assertEquals(true, output.getParameterBool("result"));
+			.withParameter(Parameters.class, "codeableConcept", codeableConceptToValidate_v1)
-		}
+			.andParameter("url", new UriType("http://www.healthintersections.com.au/fhir/ValueSet/extensional-case-2"))
+			.andParameter("valueSetVersion", new StringType("1"))
+			.execute();
 
-		HttpGet validateCodeGet2 = new HttpGet(ourServerBase + "/ValueSet/" + vsId.getIdPart() + "/$validate-code?system=http://mycs&code=FOO&_pretty=true");
+		String resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
-		try (CloseableHttpResponse status = ourHttpClient.execute(validateCodeGet2)) {
+		ourLog.info(resp);
-			String response = IOUtils.toString(status.getEntity().getContent(), Charsets.UTF_8);
+
-			ourLog.info("Response: {}", response);
+		assertTrue(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
-			Parameters output = myFhirCtx.newXmlParser().parseResource(Parameters.class, response);
+
-			assertEquals(false, output.getParameterBool("result"));
+		respParam = myClient
-		}
+			.operation()
+			.onType(ValueSet.class)
+			.named("validate-code")
+			.withParameter(Parameters.class, "codeableConcept", codeableConceptToValidate_v2)
+			.andParameter("url", new UriType("http://www.healthintersections.com.au/fhir/ValueSet/extensional-case-2"))
+			.andParameter("valueSetVersion", new StringType("2"))
+			.execute();
+
+		resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertTrue(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+		// With incorrect version specified. Should fail.
+		respParam = myClient
+			.operation()
+			.onType(ValueSet.class)
+			.named("validate-code")
+			.withParameter(Parameters.class, "codeableConcept", codeableConceptToValidate_v1)
+			.andParameter("url", new UriType("http://www.healthintersections.com.au/fhir/ValueSet/extensional-case-2"))
+			.andParameter("valueSetVersion", new StringType("2"))
+			.execute();
+
+		resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertFalse(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
+
+		respParam = myClient
+			.operation()
+			.onType(ValueSet.class)
+			.named("validate-code")
+			.withParameter(Parameters.class, "codeableConcept", codeableConceptToValidate_v2)
+			.andParameter("url", new UriType("http://www.healthintersections.com.au/fhir/ValueSet/extensional-case-2"))
+			.andParameter("valueSetVersion", new StringType("1"))
+			.execute();
+
+		resp = myFhirCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(respParam);
+		ourLog.info(resp);
+
+		assertFalse(((BooleanType) respParam.getParameter().get(0).getValue()).booleanValue());
 
 	}
-*/
 
 	private boolean clearDeferredStorageQueue() {
 

hapi-fhir-validation/src/main/java/org/hl7/fhir/common/hapi/validation/support/CommonCodeSystemsTerminologyService.java

@@ -326,6 +326,30 @@ public class CommonCodeSystemsTerminologyService implements IValidationSupport {
 		return url;
 	}
 
+	public static String getValueSetVersion(@Nonnull IBaseResource theValueSet) {
+		String version;
+		switch (theValueSet.getStructureFhirVersionEnum()) {
+			case DSTU3: {
+				version = ((org.hl7.fhir.dstu3.model.ValueSet) theValueSet).getVersion();
+				break;
+			}
+			case R4: {
+				version = ((org.hl7.fhir.r4.model.ValueSet) theValueSet).getVersion();
+				break;
+			}
+			case R5: {
+				version = ((org.hl7.fhir.r5.model.ValueSet) theValueSet).getVersion();
+				break;
+			}
+			case DSTU2:
+			case DSTU2_HL7ORG:
+			case DSTU2_1:
+			default:
+				throw new IllegalArgumentException("Can not handle version: " + theValueSet.getStructureFhirVersionEnum());
+		}
+		return version;
+	}
+
 	private static HashMap<String, String> buildUspsCodes() {
 		HashMap<String, String> uspsCodes = new HashMap<>();
 		uspsCodes.put("AK", "Alaska");

hapi-fhir-validation/src/main/java/org/hl7/fhir/common/hapi/validation/support/InMemoryTerminologyServerValidationSupport.java

@@ -91,23 +91,23 @@ public class InMemoryTerminologyServerValidationSupport implements IValidationSu
 		return new ValueSetExpansionOutcome(expansion, null);
 	}
 
-	private org.hl7.fhir.r5.model.ValueSet expandValueSetToCanonical(ValidationSupportContext theValidationSupportContext, IBaseResource theValueSetToExpand, @Nullable String theWantSystem, @Nullable String theWantCode) {
+	private org.hl7.fhir.r5.model.ValueSet expandValueSetToCanonical(ValidationSupportContext theValidationSupportContext, IBaseResource theValueSetToExpand, @Nullable String theWantSystemIdentifier, @Nullable String theWantCode) {
 		org.hl7.fhir.r5.model.ValueSet expansionR5;
 		switch (theValueSetToExpand.getStructureFhirVersionEnum()) {
 			case DSTU2: {
-				expansionR5 = expandValueSetDstu2(theValidationSupportContext, (ca.uhn.fhir.model.dstu2.resource.ValueSet) theValueSetToExpand, theWantSystem, theWantCode);
+				expansionR5 = expandValueSetDstu2(theValidationSupportContext, (ca.uhn.fhir.model.dstu2.resource.ValueSet) theValueSetToExpand, theWantSystemIdentifier, theWantCode);
 				break;
 			}
 			case DSTU2_HL7ORG: {
-				expansionR5 = expandValueSetDstu2Hl7Org(theValidationSupportContext, (ValueSet) theValueSetToExpand, theWantSystem, theWantCode);
+				expansionR5 = expandValueSetDstu2Hl7Org(theValidationSupportContext, (ValueSet) theValueSetToExpand, theWantSystemIdentifier, theWantCode);
 				break;
 			}
 			case DSTU3: {
-				expansionR5 = expandValueSetDstu3(theValidationSupportContext, (org.hl7.fhir.dstu3.model.ValueSet) theValueSetToExpand, theWantSystem, theWantCode);
+				expansionR5 = expandValueSetDstu3(theValidationSupportContext, (org.hl7.fhir.dstu3.model.ValueSet) theValueSetToExpand, theWantSystemIdentifier, theWantCode);
 				break;
 			}
 			case R4: {
-				expansionR5 = expandValueSetR4(theValidationSupportContext, (org.hl7.fhir.r4.model.ValueSet) theValueSetToExpand, theWantSystem, theWantCode);
+				expansionR5 = expandValueSetR4(theValidationSupportContext, (org.hl7.fhir.r4.model.ValueSet) theValueSetToExpand, theWantSystemIdentifier, theWantCode);
 				break;
 			}
 			case R5: {
@@ -119,20 +119,17 @@ public class InMemoryTerminologyServerValidationSupport implements IValidationSu
 				throw new IllegalArgumentException("Can not handle version: " + myCtx.getVersion().getVersion());
 		}
 
-		if (expansionR5 == null) {
-			return null;
-		}
 		return expansionR5;
 	}
 
 	@Override
 	public CodeValidationResult
-	validateCodeInValueSet(ValidationSupportContext theValidationSupportContext, ConceptValidationOptions theOptions, String theCodeSystem, String theCode, String theDisplay, @Nonnull IBaseResource theValueSet) {
+	validateCodeInValueSet(ValidationSupportContext theValidationSupportContext, ConceptValidationOptions theOptions, String theCodeSystemIdentifier, String theCode, String theDisplay, @Nonnull IBaseResource theValueSet) {
-		org.hl7.fhir.r5.model.ValueSet expansion = expandValueSetToCanonical(theValidationSupportContext, theValueSet, theCodeSystem, theCode);
+		org.hl7.fhir.r5.model.ValueSet expansion = expandValueSetToCanonical(theValidationSupportContext, theValueSet, theCodeSystemIdentifier, theCode);
 		if (expansion == null) {
 			return null;
 		}
-		return validateCodeInExpandedValueSet(theValidationSupportContext, theOptions, theCodeSystem, theCode, theDisplay, expansion);
+		return validateCodeInExpandedValueSet(theValidationSupportContext, theOptions, theCodeSystemIdentifier, theCode, theDisplay, expansion);
 	}
 
 
@@ -145,26 +142,59 @@ public class InMemoryTerminologyServerValidationSupport implements IValidationSu
 				return null;
 			}
 		} else {
+			String codeSystemUrl;
+			String codeSystemVersion = null;
+			int codeSystemVersionIndex = theCodeSystem.indexOf("|");
+			if (codeSystemVersionIndex > -1) {
+				codeSystemUrl = theCodeSystem.substring(0, codeSystemVersionIndex);
+				codeSystemVersion = theCodeSystem.substring(codeSystemVersionIndex + 1);
+			} else {
+				codeSystemUrl = theCodeSystem;
+			}
 			switch (myCtx.getVersion().getVersion()) {
 				case DSTU2_HL7ORG:
+					if (codeSystemVersion != null) {
+						vs = new org.hl7.fhir.dstu2.model.ValueSet()
+							.setCompose(new org.hl7.fhir.dstu2.model.ValueSet.ValueSetComposeComponent()
+								.addInclude(new org.hl7.fhir.dstu2.model.ValueSet.ConceptSetComponent().setSystem(codeSystemUrl).setVersion(codeSystemVersion)));
+					} else {
 						vs = new org.hl7.fhir.dstu2.model.ValueSet()
 							.setCompose(new org.hl7.fhir.dstu2.model.ValueSet.ValueSetComposeComponent()
 								.addInclude(new org.hl7.fhir.dstu2.model.ValueSet.ConceptSetComponent().setSystem(theCodeSystem)));
+					}
 					break;
 				case DSTU3:
+					if (codeSystemVersion != null) {
+						vs = new org.hl7.fhir.dstu3.model.ValueSet()
+							.setCompose(new org.hl7.fhir.dstu3.model.ValueSet.ValueSetComposeComponent()
+								.addInclude(new org.hl7.fhir.dstu3.model.ValueSet.ConceptSetComponent().setSystem(codeSystemUrl).setVersion(codeSystemVersion)));
+					} else {
 						vs = new org.hl7.fhir.dstu3.model.ValueSet()
 							.setCompose(new org.hl7.fhir.dstu3.model.ValueSet.ValueSetComposeComponent()
 								.addInclude(new org.hl7.fhir.dstu3.model.ValueSet.ConceptSetComponent().setSystem(theCodeSystem)));
+					}
 					break;
 				case R4:
+					if (codeSystemVersion != null) {
+						vs = new org.hl7.fhir.r4.model.ValueSet()
+							.setCompose(new org.hl7.fhir.r4.model.ValueSet.ValueSetComposeComponent()
+								.addInclude(new org.hl7.fhir.r4.model.ValueSet.ConceptSetComponent().setSystem(codeSystemUrl).setVersion(codeSystemVersion)));
+					} else {
 						vs = new org.hl7.fhir.r4.model.ValueSet()
 							.setCompose(new org.hl7.fhir.r4.model.ValueSet.ValueSetComposeComponent()
 								.addInclude(new org.hl7.fhir.r4.model.ValueSet.ConceptSetComponent().setSystem(theCodeSystem)));
+					}
 					break;
 				case R5:
+					if (codeSystemVersion != null) {
+						vs = new org.hl7.fhir.r5.model.ValueSet()
+							.setCompose(new org.hl7.fhir.r5.model.ValueSet.ValueSetComposeComponent()
+								.addInclude(new org.hl7.fhir.r5.model.ValueSet.ConceptSetComponent().setSystem(codeSystemUrl).setVersion(codeSystemVersion)));
+					} else {
 						vs = new org.hl7.fhir.r5.model.ValueSet()
 							.setCompose(new org.hl7.fhir.r5.model.ValueSet.ValueSetComposeComponent()
 								.addInclude(new org.hl7.fhir.r5.model.ValueSet.ConceptSetComponent().setSystem(theCodeSystem)));
+					}
 					break;
 				case DSTU2:
 				case DSTU2_1:
@@ -184,39 +214,39 @@ public class InMemoryTerminologyServerValidationSupport implements IValidationSu
 
 	}
 
-	private CodeValidationResult validateCodeInExpandedValueSet(ValidationSupportContext theValidationSupportContext, ConceptValidationOptions theOptions, String theCodeSystem, String theCode, String theDisplay, IBaseResource theExpansion) {
+	private CodeValidationResult validateCodeInExpandedValueSet(ValidationSupportContext theValidationSupportContext, ConceptValidationOptions theOptions, String theCodeSystemIdentifierToValidate, String theCodeToValidate, String theDisplayToValidate, IBaseResource theExpansion) {
 		assert theExpansion != null;
 
 		boolean caseSensitive = true;
-		IBaseResource system = null;
+		IBaseResource codeSystemToValidateResource = null;
-		if (!theOptions.isInferSystem() && isNotBlank(theCodeSystem)) {
+		if (!theOptions.isInferSystem() && isNotBlank(theCodeSystemIdentifierToValidate)) {
-			system = theValidationSupportContext.getRootValidationSupport().fetchCodeSystem(theCodeSystem);
+			codeSystemToValidateResource = theValidationSupportContext.getRootValidationSupport().fetchCodeSystem(theCodeSystemIdentifierToValidate);
 		}
 
-		List<VersionIndependentConcept> codes = new ArrayList<>();
+		List<VersionIndependentConcept> codesInValueSetExpansion = new ArrayList<>();
 		switch (theExpansion.getStructureFhirVersionEnum()) {
 			case DSTU2_HL7ORG: {
 				ValueSet expansionVs = (ValueSet) theExpansion;
 				List<ValueSet.ValueSetExpansionContainsComponent> contains = expansionVs.getExpansion().getContains();
-				flattenAndConvertCodesDstu2(contains, codes);
+				flattenAndConvertCodesDstu2(contains, codesInValueSetExpansion);
 				break;
 			}
 			case DSTU3: {
 				org.hl7.fhir.dstu3.model.ValueSet expansionVs = (org.hl7.fhir.dstu3.model.ValueSet) theExpansion;
 				List<org.hl7.fhir.dstu3.model.ValueSet.ValueSetExpansionContainsComponent> contains = expansionVs.getExpansion().getContains();
-				flattenAndConvertCodesDstu3(contains, codes);
+				flattenAndConvertCodesDstu3(contains, codesInValueSetExpansion);
 				break;
 			}
 			case R4: {
 				org.hl7.fhir.r4.model.ValueSet expansionVs = (org.hl7.fhir.r4.model.ValueSet) theExpansion;
 				List<org.hl7.fhir.r4.model.ValueSet.ValueSetExpansionContainsComponent> contains = expansionVs.getExpansion().getContains();
-				flattenAndConvertCodesR4(contains, codes);
+				flattenAndConvertCodesR4(contains, codesInValueSetExpansion);
 				break;
 			}
 			case R5: {
 				org.hl7.fhir.r5.model.ValueSet expansionVs = (org.hl7.fhir.r5.model.ValueSet) theExpansion;
 				List<org.hl7.fhir.r5.model.ValueSet.ValueSetExpansionContainsComponent> contains = expansionVs.getExpansion().getContains();
-				flattenAndConvertCodesR5(contains, codes);
+				flattenAndConvertCodesR5(contains, codesInValueSetExpansion);
 				break;
 			}
 			case DSTU2:
@@ -225,37 +255,37 @@ public class InMemoryTerminologyServerValidationSupport implements IValidationSu
 				throw new IllegalArgumentException("Can not handle version: " + myCtx.getVersion().getVersion());
 		}
 
-		String codeSystemName = null;
+		String codeSystemResourceName = null;
-		String codeSystemVersion = null;
+		String codeSystemResourceVersion = null;
-		String codeSystemContentMode = null;
+		String codeSystemResourceContentMode = null;
-		if (system != null) {
+		if (codeSystemToValidateResource != null) {
-			switch (system.getStructureFhirVersionEnum()) {
+			switch (codeSystemToValidateResource.getStructureFhirVersionEnum()) {
 				case DSTU2_HL7ORG: {
 					caseSensitive = true;
 					break;
 				}
 				case DSTU3: {
-					org.hl7.fhir.dstu3.model.CodeSystem systemDstu3 = (org.hl7.fhir.dstu3.model.CodeSystem) system;
+					org.hl7.fhir.dstu3.model.CodeSystem systemDstu3 = (org.hl7.fhir.dstu3.model.CodeSystem) codeSystemToValidateResource;
 					caseSensitive = systemDstu3.getCaseSensitive();
-					codeSystemName = systemDstu3.getName();
+					codeSystemResourceName = systemDstu3.getName();
-					codeSystemVersion = systemDstu3.getVersion();
+					codeSystemResourceVersion = systemDstu3.getVersion();
-					codeSystemContentMode = systemDstu3.getContentElement().getValueAsString();
+					codeSystemResourceContentMode = systemDstu3.getContentElement().getValueAsString();
 					break;
 				}
 				case R4: {
-					org.hl7.fhir.r4.model.CodeSystem systemR4 = (org.hl7.fhir.r4.model.CodeSystem) system;
+					org.hl7.fhir.r4.model.CodeSystem systemR4 = (org.hl7.fhir.r4.model.CodeSystem) codeSystemToValidateResource;
 					caseSensitive = systemR4.getCaseSensitive();
-					codeSystemName = systemR4.getName();
+					codeSystemResourceName = systemR4.getName();
-					codeSystemVersion = systemR4.getVersion();
+					codeSystemResourceVersion = systemR4.getVersion();
-					codeSystemContentMode = systemR4.getContentElement().getValueAsString();
+					codeSystemResourceContentMode = systemR4.getContentElement().getValueAsString();
 					break;
 				}
 				case R5: {
-					CodeSystem systemR5 = (CodeSystem) system;
+					CodeSystem systemR5 = (CodeSystem) codeSystemToValidateResource;
 					caseSensitive = systemR5.getCaseSensitive();
-					codeSystemName = systemR5.getName();
+					codeSystemResourceName = systemR5.getName();
-					codeSystemVersion = systemR5.getVersion();
+					codeSystemResourceVersion = systemR5.getVersion();
-					codeSystemContentMode = systemR5.getContentElement().getValueAsString();
+					codeSystemResourceContentMode = systemR5.getContentElement().getValueAsString();
 					break;
 				}
 				case DSTU2:
@@ -265,29 +295,40 @@ public class InMemoryTerminologyServerValidationSupport implements IValidationSu
 			}
 		}
 
-		for (VersionIndependentConcept nextExpansionCode : codes) {
+		String codeSystemUrlToValidate=null;
+		String codeSystemVersionToValidate=null;
+		if (theCodeSystemIdentifierToValidate != null) {
+			int versionIndex = theCodeSystemIdentifierToValidate.indexOf("|");
+			if (versionIndex > -1) {
+				codeSystemUrlToValidate = theCodeSystemIdentifierToValidate.substring(0, versionIndex);
+				codeSystemVersionToValidate = theCodeSystemIdentifierToValidate.substring(versionIndex+1);
+			} else {
+				codeSystemUrlToValidate = theCodeSystemIdentifierToValidate;
+			}
+		}
+		for (VersionIndependentConcept nextExpansionCode : codesInValueSetExpansion) {
 
 			boolean codeMatches;
 			if (caseSensitive) {
-				codeMatches = defaultString(theCode).equals(nextExpansionCode.getCode());
+				codeMatches = defaultString(theCodeToValidate).equals(nextExpansionCode.getCode());
 			} else {
-				codeMatches = defaultString(theCode).equalsIgnoreCase(nextExpansionCode.getCode());
+				codeMatches = defaultString(theCodeToValidate).equalsIgnoreCase(nextExpansionCode.getCode());
 			}
 			if (codeMatches) {
-				if (theOptions.isInferSystem() || nextExpansionCode.getSystem().equals(theCodeSystem)) {
+				if (theOptions.isInferSystem() || (nextExpansionCode.getSystem().equals(codeSystemUrlToValidate) && (codeSystemVersionToValidate == null || codeSystemVersionToValidate.equals(nextExpansionCode.getSystemVersion())))) {
-					if (!theOptions.isValidateDisplay() || (isBlank(nextExpansionCode.getDisplay()) || isBlank(theDisplay) || nextExpansionCode.getDisplay().equals(theDisplay))) {
+					if (!theOptions.isValidateDisplay() || (isBlank(nextExpansionCode.getDisplay()) || isBlank(theDisplayToValidate) || nextExpansionCode.getDisplay().equals(theDisplayToValidate))) {
 						return new CodeValidationResult()
-							.setCode(theCode)
+							.setCode(theCodeToValidate)
 							.setDisplay(nextExpansionCode.getDisplay())
-							.setCodeSystemName(codeSystemName)
+							.setCodeSystemName(codeSystemResourceName)
-							.setCodeSystemVersion(codeSystemVersion);
+							.setCodeSystemVersion(codeSystemResourceVersion);
 					} else {
 						return new CodeValidationResult()
 							.setSeverity(IssueSeverity.ERROR)
 							.setDisplay(nextExpansionCode.getDisplay())
-							.setMessage("Concept Display \"" + theDisplay + "\" does not match expected \"" + nextExpansionCode.getDisplay() + "\"")
+							.setMessage("Concept Display \"" + theDisplayToValidate + "\" does not match expected \"" + nextExpansionCode.getDisplay() + "\"")
-							.setCodeSystemName(codeSystemName)
+							.setCodeSystemName(codeSystemResourceName)
-							.setCodeSystemVersion(codeSystemVersion);
+							.setCodeSystemVersion(codeSystemResourceVersion);
 					}
 				}
 			}
@@ -295,12 +336,12 @@ public class InMemoryTerminologyServerValidationSupport implements IValidationSu
 
 		ValidationMessage.IssueSeverity severity;
 		String message;
-		if ("fragment".equals(codeSystemContentMode)) {
+		if ("fragment".equals(codeSystemResourceContentMode)) {
 			severity = ValidationMessage.IssueSeverity.WARNING;
-			message = "Unknown code in fragment CodeSystem '" + (isNotBlank(theCodeSystem) ? theCodeSystem + "#" : "") + theCode + "'";
+			message = "Unknown code in fragment CodeSystem '" + (isNotBlank(theCodeSystemIdentifierToValidate) ? theCodeSystemIdentifierToValidate + "#" : "") + theCodeToValidate + "'";
 		} else {
 			severity = ValidationMessage.IssueSeverity.ERROR;
-			message = "Unknown code '" + (isNotBlank(theCodeSystem) ? theCodeSystem + "#" : "") + theCode + "'";
+			message = "Unknown code '" + (isNotBlank(theCodeSystemIdentifierToValidate) ? theCodeSystemIdentifierToValidate + "#" : "") + theCodeToValidate + "'";
 		}
 
 		return new CodeValidationResult()
@@ -314,7 +355,7 @@ public class InMemoryTerminologyServerValidationSupport implements IValidationSu
 	}
 
 	@Nullable
-	private org.hl7.fhir.r5.model.ValueSet expandValueSetDstu2Hl7Org(ValidationSupportContext theValidationSupportContext, ValueSet theInput, @Nullable String theWantSystem, @Nullable String theWantCode) {
+	private org.hl7.fhir.r5.model.ValueSet expandValueSetDstu2Hl7Org(ValidationSupportContext theValidationSupportContext, ValueSet theInput, @Nullable String theWantSystemIdentifier, @Nullable String theWantCode) {
 		Function<String, CodeSystem> codeSystemLoader = t -> {
 			org.hl7.fhir.dstu2.model.ValueSet codeSystem = (org.hl7.fhir.dstu2.model.ValueSet) theValidationSupportContext.getRootValidationSupport().fetchCodeSystem(t);
 			CodeSystem retVal = new CodeSystem();
@@ -327,12 +368,12 @@ public class InMemoryTerminologyServerValidationSupport implements IValidationSu
 		};
 
 		org.hl7.fhir.r5.model.ValueSet input = ValueSet10_50.convertValueSet(theInput);
-		org.hl7.fhir.r5.model.ValueSet output = expandValueSetR5(theValidationSupportContext, input, codeSystemLoader, valueSetLoader, theWantSystem, theWantCode);
+		org.hl7.fhir.r5.model.ValueSet output = expandValueSetR5(theValidationSupportContext, input, codeSystemLoader, valueSetLoader, theWantSystemIdentifier, theWantCode);
 		return (output);
 	}
 
 	@Nullable
-	private org.hl7.fhir.r5.model.ValueSet expandValueSetDstu2(ValidationSupportContext theValidationSupportContext, ca.uhn.fhir.model.dstu2.resource.ValueSet theInput, @Nullable String theWantSystem, @Nullable String theWantCode) {
+	private org.hl7.fhir.r5.model.ValueSet expandValueSetDstu2(ValidationSupportContext theValidationSupportContext, ca.uhn.fhir.model.dstu2.resource.ValueSet theInput, @Nullable String theWantSystemIdentifier, @Nullable String theWantCode) {
 		IParser parserRi = FhirContext.forCached(FhirVersionEnum.DSTU2_HL7ORG).newJsonParser();
 		IParser parserHapi = FhirContext.forCached(FhirVersionEnum.DSTU2).newJsonParser();
 
@@ -355,7 +396,7 @@ public class InMemoryTerminologyServerValidationSupport implements IValidationSu
 
 		org.hl7.fhir.dstu2.model.ValueSet valueSetRi = parserRi.parseResource(org.hl7.fhir.dstu2.model.ValueSet.class, parserHapi.encodeResourceToString(theInput));
 		org.hl7.fhir.r5.model.ValueSet input = ValueSet10_50.convertValueSet(valueSetRi);
-		org.hl7.fhir.r5.model.ValueSet output = expandValueSetR5(theValidationSupportContext, input, codeSystemLoader, valueSetLoader, theWantSystem, theWantCode);
+		org.hl7.fhir.r5.model.ValueSet output = expandValueSetR5(theValidationSupportContext, input, codeSystemLoader, valueSetLoader, theWantSystemIdentifier, theWantCode);
 		return (output);
 	}
 
@@ -404,7 +445,7 @@ public class InMemoryTerminologyServerValidationSupport implements IValidationSu
 	}
 
 	@Nullable
-	private org.hl7.fhir.r5.model.ValueSet expandValueSetDstu3(ValidationSupportContext theValidationSupportContext, org.hl7.fhir.dstu3.model.ValueSet theInput, @Nullable String theWantSystem, @Nullable String theWantCode) {
+	private org.hl7.fhir.r5.model.ValueSet expandValueSetDstu3(ValidationSupportContext theValidationSupportContext, org.hl7.fhir.dstu3.model.ValueSet theInput, @Nullable String theWantSystemIdentifier, @Nullable String theWantCode) {
 		Function<String, org.hl7.fhir.r5.model.CodeSystem> codeSystemLoader = t -> {
 			org.hl7.fhir.dstu3.model.CodeSystem codeSystem = (org.hl7.fhir.dstu3.model.CodeSystem) theValidationSupportContext.getRootValidationSupport().fetchCodeSystem(t);
 			return CodeSystem30_50.convertCodeSystem(codeSystem);
@@ -415,12 +456,12 @@ public class InMemoryTerminologyServerValidationSupport implements IValidationSu
 		};
 
 		org.hl7.fhir.r5.model.ValueSet input = ValueSet30_50.convertValueSet(theInput);
-		org.hl7.fhir.r5.model.ValueSet output = expandValueSetR5(theValidationSupportContext, input, codeSystemLoader, valueSetLoader, theWantSystem, theWantCode);
+		org.hl7.fhir.r5.model.ValueSet output = expandValueSetR5(theValidationSupportContext, input, codeSystemLoader, valueSetLoader, theWantSystemIdentifier, theWantCode);
 		return (output);
 	}
 
 	@Nullable
-	private org.hl7.fhir.r5.model.ValueSet expandValueSetR4(ValidationSupportContext theValidationSupportContext, org.hl7.fhir.r4.model.ValueSet theInput, @Nullable String theWantSystem, @Nullable String theWantCode) {
+	private org.hl7.fhir.r5.model.ValueSet expandValueSetR4(ValidationSupportContext theValidationSupportContext, org.hl7.fhir.r4.model.ValueSet theInput, @Nullable String theWantSystemIdentifier, @Nullable String theWantCode) {
 		Function<String, org.hl7.fhir.r5.model.CodeSystem> codeSystemLoader = t -> {
 			org.hl7.fhir.r4.model.CodeSystem codeSystem = (org.hl7.fhir.r4.model.CodeSystem) theValidationSupportContext.getRootValidationSupport().fetchCodeSystem(t);
 			return CodeSystem40_50.convertCodeSystem(codeSystem);
@@ -431,7 +472,7 @@ public class InMemoryTerminologyServerValidationSupport implements IValidationSu
 		};
 
 		org.hl7.fhir.r5.model.ValueSet input = ValueSet40_50.convertValueSet(theInput);
-		org.hl7.fhir.r5.model.ValueSet output = expandValueSetR5(theValidationSupportContext, input, codeSystemLoader, valueSetLoader, theWantSystem, theWantCode);
+		org.hl7.fhir.r5.model.ValueSet output = expandValueSetR5(theValidationSupportContext, input, codeSystemLoader, valueSetLoader, theWantSystemIdentifier, theWantCode);
 		return (output);
 	}
 
@@ -444,12 +485,12 @@ public class InMemoryTerminologyServerValidationSupport implements IValidationSu
 	}
 
 	@Nullable
-	private org.hl7.fhir.r5.model.ValueSet expandValueSetR5(ValidationSupportContext theValidationSupportContext, org.hl7.fhir.r5.model.ValueSet theInput, Function<String, CodeSystem> theCodeSystemLoader, Function<String, org.hl7.fhir.r5.model.ValueSet> theValueSetLoader, @Nullable String theWantSystem, @Nullable String theWantCode) {
+	private org.hl7.fhir.r5.model.ValueSet expandValueSetR5(ValidationSupportContext theValidationSupportContext, org.hl7.fhir.r5.model.ValueSet theInput, Function<String, CodeSystem> theCodeSystemLoader, Function<String, org.hl7.fhir.r5.model.ValueSet> theValueSetLoader, @Nullable String theWantSystemIdentifier, @Nullable String theWantCode) {
 		Set<VersionIndependentConcept> concepts = new HashSet<>();
 
 		try {
-			expandValueSetR5IncludeOrExclude(theValidationSupportContext, concepts, theCodeSystemLoader, theValueSetLoader, theInput.getCompose().getInclude(), true, theWantSystem, theWantCode);
+			expandValueSetR5IncludeOrExclude(theValidationSupportContext, concepts, theCodeSystemLoader, theValueSetLoader, theInput.getCompose().getInclude(), true, theWantSystemIdentifier, theWantCode);
-			expandValueSetR5IncludeOrExclude(theValidationSupportContext, concepts, theCodeSystemLoader, theValueSetLoader, theInput.getCompose().getExclude(), false, theWantSystem, theWantCode);
+			expandValueSetR5IncludeOrExclude(theValidationSupportContext, concepts, theCodeSystemLoader, theValueSetLoader, theInput.getCompose().getExclude(), false, theWantSystemIdentifier, theWantCode);
 		} catch (ExpansionCouldNotBeCompletedInternallyException e) {
 			return null;
 		}
@@ -460,23 +501,46 @@ public class InMemoryTerminologyServerValidationSupport implements IValidationSu
 			contains.setSystem(next.getSystem());
 			contains.setCode(next.getCode());
 			contains.setDisplay(next.getDisplay());
+			contains.setVersion(next.getSystemVersion());
 		}
 
 		return retVal;
 	}
 
-	private void expandValueSetR5IncludeOrExclude(ValidationSupportContext theValidationSupportContext, Set<VersionIndependentConcept> theConcepts, Function<String, CodeSystem> theCodeSystemLoader, Function<String, org.hl7.fhir.r5.model.ValueSet> theValueSetLoader, List<org.hl7.fhir.r5.model.ValueSet.ConceptSetComponent> theComposeList, boolean theComposeListIsInclude, @Nullable String theWantSystem, @Nullable String theWantCode) throws ExpansionCouldNotBeCompletedInternallyException {
+	private void expandValueSetR5IncludeOrExclude(ValidationSupportContext theValidationSupportContext, Set<VersionIndependentConcept> theConcepts, Function<String, CodeSystem> theCodeSystemLoader, Function<String, org.hl7.fhir.r5.model.ValueSet> theValueSetLoader, List<org.hl7.fhir.r5.model.ValueSet.ConceptSetComponent> theComposeList, boolean theComposeListIsInclude, @Nullable String theWantSystemIdentifier, @Nullable String theWantCode) throws ExpansionCouldNotBeCompletedInternallyException {
+		String wantSystemUrl = null;
+		String wantSystemVersion = null;
+		if (theWantSystemIdentifier != null) {
+			int versionIndex = theWantSystemIdentifier.indexOf("|");
+			if (versionIndex > -1) {
+				wantSystemUrl = theWantSystemIdentifier.substring(0,versionIndex);
+				wantSystemVersion = theWantSystemIdentifier.substring(versionIndex+1);
+			} else {
+				wantSystemUrl = theWantSystemIdentifier;
+			}
+		}
+
 		for (org.hl7.fhir.r5.model.ValueSet.ConceptSetComponent nextInclude : theComposeList) {
 
 			List<VersionIndependentConcept> nextCodeList = new ArrayList<>();
-			String system = nextInclude.getSystem();
+			String includeOrExcludeConceptSystemUrl = nextInclude.getSystem();
-			if (isNotBlank(system)) {
+			String includeOrExcludeConceptSystemVersion = nextInclude.getVersion();
+			if (isNotBlank(includeOrExcludeConceptSystemUrl)) {
 
-				if (theWantSystem != null && !theWantSystem.equals(system)) {
+				if (wantSystemUrl != null && !wantSystemUrl.equals(includeOrExcludeConceptSystemUrl)) {
 					continue;
 				}
 
-				CodeSystem codeSystem = theCodeSystemLoader.apply(system);
+				if (wantSystemVersion != null && !wantSystemVersion.equals(includeOrExcludeConceptSystemVersion)) {
+					continue;
+				}
+
+				CodeSystem includeOrExcludeSystemResource;
+				if (includeOrExcludeConceptSystemVersion != null) {
+					includeOrExcludeSystemResource = theCodeSystemLoader.apply(includeOrExcludeConceptSystemUrl + "|" + includeOrExcludeConceptSystemVersion);
+				} else {
+					includeOrExcludeSystemResource = theCodeSystemLoader.apply(includeOrExcludeConceptSystemUrl);
+				}
 
 				Set<String> wantCodes;
 				if (nextInclude.getConcept().isEmpty()) {
@@ -488,18 +552,18 @@ public class InMemoryTerminologyServerValidationSupport implements IValidationSu
 				}
 
 				boolean ableToHandleCode = false;
-				if (codeSystem == null || codeSystem.getContent() == CodeSystem.CodeSystemContentMode.NOTPRESENT) {
+				if (includeOrExcludeSystemResource == null || includeOrExcludeSystemResource.getContent() == CodeSystem.CodeSystemContentMode.NOTPRESENT) {
 
 					if (theWantCode != null) {
-						if (theValidationSupportContext.getRootValidationSupport().isCodeSystemSupported(theValidationSupportContext, system)) {
+						if (theValidationSupportContext.getRootValidationSupport().isCodeSystemSupported(theValidationSupportContext, includeOrExcludeConceptSystemUrl)) {
-							LookupCodeResult lookup = theValidationSupportContext.getRootValidationSupport().lookupCode(theValidationSupportContext, system, theWantCode);
+							LookupCodeResult lookup = theValidationSupportContext.getRootValidationSupport().lookupCode(theValidationSupportContext, includeOrExcludeConceptSystemUrl, theWantCode);
 							if (lookup != null && lookup.isFound()) {
 								CodeSystem.ConceptDefinitionComponent conceptDefinition = new CodeSystem.ConceptDefinitionComponent()
 									.addConcept()
 									.setCode(theWantCode)
 									.setDisplay(lookup.getCodeDisplay());
 								List<CodeSystem.ConceptDefinitionComponent> codesList = Collections.singletonList(conceptDefinition);
-								addCodes(system, codesList, nextCodeList, wantCodes);
+								addCodes(includeOrExcludeConceptSystemUrl, includeOrExcludeConceptSystemVersion, codesList, nextCodeList, wantCodes);
 								ableToHandleCode = true;
 							}
 						} else if (theComposeListIsInclude) {
@@ -514,7 +578,7 @@ public class InMemoryTerminologyServerValidationSupport implements IValidationSu
 							 * enumerate a set of good codes for them is a nice compromise there.
 							 */
 							for (org.hl7.fhir.r5.model.ValueSet.ConceptSetComponent next : theComposeList) {
-								if (Objects.equals(next.getSystem(), theWantSystem)) {
+								if (Objects.equals(next.getSystem(), theWantSystemIdentifier)) {
 									Optional<org.hl7.fhir.r5.model.ValueSet.ConceptReferenceComponent> matchingEnumeratedConcept = next.getConcept().stream().filter(t -> Objects.equals(t.getCode(), theWantCode)).findFirst();
 									if (matchingEnumeratedConcept.isPresent()) {
 										CodeSystem.ConceptDefinitionComponent conceptDefinition = new CodeSystem.ConceptDefinitionComponent()
@@ -522,7 +586,7 @@ public class InMemoryTerminologyServerValidationSupport implements IValidationSu
 											.setCode(theWantCode)
 											.setDisplay(matchingEnumeratedConcept.get().getDisplay());
 										List<CodeSystem.ConceptDefinitionComponent> codesList = Collections.singletonList(conceptDefinition);
-										addCodes(system, codesList, nextCodeList, wantCodes);
+										addCodes(includeOrExcludeConceptSystemUrl, includeOrExcludeConceptSystemVersion, codesList, nextCodeList, wantCodes);
 										ableToHandleCode = true;
 										break;
 									}
@@ -540,8 +604,8 @@ public class InMemoryTerminologyServerValidationSupport implements IValidationSu
 					throw new ExpansionCouldNotBeCompletedInternallyException();
 				}
 
-				if (codeSystem != null && codeSystem.getContent() != CodeSystem.CodeSystemContentMode.NOTPRESENT) {
+				if (includeOrExcludeSystemResource != null && includeOrExcludeSystemResource.getContent() != CodeSystem.CodeSystemContentMode.NOTPRESENT) {
-					addCodes(system, codeSystem.getConcept(), nextCodeList, wantCodes);
+					addCodes(includeOrExcludeConceptSystemUrl, includeOrExcludeConceptSystemVersion, includeOrExcludeSystemResource.getConcept(), nextCodeList, wantCodes);
 				}
 
 			}
@@ -549,12 +613,12 @@ public class InMemoryTerminologyServerValidationSupport implements IValidationSu
 			for (CanonicalType nextValueSetInclude : nextInclude.getValueSet()) {
 				org.hl7.fhir.r5.model.ValueSet vs = theValueSetLoader.apply(nextValueSetInclude.getValueAsString());
 				if (vs != null) {
-					org.hl7.fhir.r5.model.ValueSet subExpansion = expandValueSetR5(theValidationSupportContext, vs, theCodeSystemLoader, theValueSetLoader, theWantSystem, theWantCode);
+					org.hl7.fhir.r5.model.ValueSet subExpansion = expandValueSetR5(theValidationSupportContext, vs, theCodeSystemLoader, theValueSetLoader, theWantSystemIdentifier, theWantCode);
 					if (subExpansion == null) {
 						throw new ExpansionCouldNotBeCompletedInternallyException();
 					}
 					for (org.hl7.fhir.r5.model.ValueSet.ValueSetExpansionContainsComponent next : subExpansion.getExpansion().getContains()) {
-						nextCodeList.add(new VersionIndependentConcept(next.getSystem(), next.getCode(), next.getDisplay()));
+						nextCodeList.add(new VersionIndependentConcept(next.getSystem(), next.getCode(), next.getDisplay(), next.getVersion()));
 					}
 				}
 			}
@@ -569,14 +633,14 @@ public class InMemoryTerminologyServerValidationSupport implements IValidationSu
 
 	}
 
-	private void addCodes(String theSystem, List<CodeSystem.ConceptDefinitionComponent> theSource, List<VersionIndependentConcept> theTarget, Set<String> theCodeFilter) {
+	private void addCodes(String theCodeSystemUrl, String theCodeSystemVersion, List<CodeSystem.ConceptDefinitionComponent> theSource, List<VersionIndependentConcept> theTarget, Set<String> theCodeFilter) {
 		for (CodeSystem.ConceptDefinitionComponent next : theSource) {
 			if (isNotBlank(next.getCode())) {
 				if (theCodeFilter == null || theCodeFilter.contains(next.getCode())) {
-					theTarget.add(new VersionIndependentConcept(theSystem, next.getCode(), next.getDisplay()));
+					theTarget.add(new VersionIndependentConcept(theCodeSystemUrl, next.getCode(), next.getDisplay(), theCodeSystemVersion));
 				}
 			}
-			addCodes(theSystem, next.getConcept(), theTarget, theCodeFilter);
+			addCodes(theCodeSystemUrl, theCodeSystemVersion, next.getConcept(), theTarget, theCodeFilter);
 		}
 	}
 
@@ -593,21 +657,21 @@ public class InMemoryTerminologyServerValidationSupport implements IValidationSu
 
 	private static void flattenAndConvertCodesDstu3(List<org.hl7.fhir.dstu3.model.ValueSet.ValueSetExpansionContainsComponent> theInput, List<VersionIndependentConcept> theVersionIndependentConcepts) {
 		for (org.hl7.fhir.dstu3.model.ValueSet.ValueSetExpansionContainsComponent next : theInput) {
-			theVersionIndependentConcepts.add(new VersionIndependentConcept(next.getSystem(), next.getCode(), next.getDisplay()));
+			theVersionIndependentConcepts.add(new VersionIndependentConcept(next.getSystem(), next.getCode(), next.getDisplay(), next.getVersion()));
 			flattenAndConvertCodesDstu3(next.getContains(), theVersionIndependentConcepts);
 		}
 	}
 
 	private static void flattenAndConvertCodesR4(List<org.hl7.fhir.r4.model.ValueSet.ValueSetExpansionContainsComponent> theInput, List<VersionIndependentConcept> theVersionIndependentConcepts) {
 		for (org.hl7.fhir.r4.model.ValueSet.ValueSetExpansionContainsComponent next : theInput) {
-			theVersionIndependentConcepts.add(new VersionIndependentConcept(next.getSystem(), next.getCode(), next.getDisplay()));
+			theVersionIndependentConcepts.add(new VersionIndependentConcept(next.getSystem(), next.getCode(), next.getDisplay(), next.getVersion()));
 			flattenAndConvertCodesR4(next.getContains(), theVersionIndependentConcepts);
 		}
 	}
 
 	private static void flattenAndConvertCodesR5(List<org.hl7.fhir.r5.model.ValueSet.ValueSetExpansionContainsComponent> theInput, List<VersionIndependentConcept> theVersionIndependentConcepts) {
 		for (org.hl7.fhir.r5.model.ValueSet.ValueSetExpansionContainsComponent next : theInput) {
-			theVersionIndependentConcepts.add(new VersionIndependentConcept(next.getSystem(), next.getCode(), next.getDisplay()));
+			theVersionIndependentConcepts.add(new VersionIndependentConcept(next.getSystem(), next.getCode(), next.getDisplay(), next.getVersion()));
 			flattenAndConvertCodesR5(next.getContains(), theVersionIndependentConcepts);
 		}
 	}