diff --git a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/elementmodel/ParserBase.java b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/elementmodel/ParserBase.java
index feef0008a..8571304d8 100644
--- a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/elementmodel/ParserBase.java
+++ b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/elementmodel/ParserBase.java
@@ -220,7 +220,7 @@ public abstract class ParserBase {
 	    }
 	  }
     for (StructureDefinition sd : context.fetchResourcesByType(StructureDefinition.class)) {
-      if (name.equals(sd.getType()) && sd.getDerivation() == TypeDerivationRule.SPECIALIZATION) {
+      if (name.equals(sd.getTypeName()) && sd.getDerivation() == TypeDerivationRule.SPECIALIZATION) {
         new ContextUtilities(context).generateSnapshot(sd); 
         return sd;
       }
diff --git a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/model/Constants.java b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/model/Constants.java
index 8f1001343..8932e3cc6 100644
--- a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/model/Constants.java
+++ b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/model/Constants.java
@@ -43,4 +43,5 @@ public class Constants {
   public final static String VERSION_MM = "5.0";
   public final static String DATE = "Thu, Mar 23, 2023 19:59+1100";
   public final static String URI_REGEX = "((http|https):\\/\\/([A-Za-z0-9\\\\\\.\\:\\%\\$\\-]*\\/)*?)?(Account|ActivityDefinition|ActorDefinition|AdministrableProductDefinition|AdverseEvent|AllergyIntolerance|Appointment|AppointmentResponse|ArtifactAssessment|AuditEvent|Basic|Binary|BiologicallyDerivedProduct|BiologicallyDerivedProductDispense|BodyStructure|Bundle|CapabilityStatement|CarePlan|CareTeam|ChargeItem|ChargeItemDefinition|Citation|Claim|ClaimResponse|ClinicalImpression|ClinicalUseDefinition|CodeSystem|Communication|CommunicationRequest|CompartmentDefinition|Composition|ConceptMap|Condition|ConditionDefinition|Consent|Contract|Coverage|CoverageEligibilityRequest|CoverageEligibilityResponse|DetectedIssue|Device|DeviceAssociation|DeviceDefinition|DeviceDispense|DeviceMetric|DeviceRequest|DeviceUsage|DiagnosticReport|DocumentReference|Encounter|EncounterHistory|Endpoint|EnrollmentRequest|EnrollmentResponse|EpisodeOfCare|EventDefinition|Evidence|EvidenceReport|EvidenceVariable|ExampleScenario|ExplanationOfBenefit|FamilyMemberHistory|Flag|FormularyItem|GenomicStudy|Goal|GraphDefinition|Group|GuidanceResponse|HealthcareService|ImagingSelection|ImagingStudy|Immunization|ImmunizationEvaluation|ImmunizationRecommendation|ImplementationGuide|Ingredient|InsurancePlan|InventoryItem|InventoryReport|Invoice|Library|Linkage|List|Location|ManufacturedItemDefinition|Measure|MeasureReport|Medication|MedicationAdministration|MedicationDispense|MedicationKnowledge|MedicationRequest|MedicationStatement|MedicinalProductDefinition|MessageDefinition|MessageHeader|MolecularSequence|NamingSystem|NutritionIntake|NutritionOrder|NutritionProduct|Observation|ObservationDefinition|OperationDefinition|OperationOutcome|Organization|OrganizationAffiliation|PackagedProductDefinition|Parameters|Patient|PaymentNotice|PaymentReconciliation|Permission|Person|PlanDefinition|Practitioner|PractitionerRole|Procedure|Provenance|Questionnaire|QuestionnaireResponse|RegulatedAuthorization|RelatedPerson|RequestOrchestration|Requirements|ResearchStudy|ResearchSubject|RiskAssessment|Schedule|SearchParameter|ServiceRequest|Slot|Specimen|SpecimenDefinition|StructureDefinition|StructureMap|Subscription|SubscriptionStatus|SubscriptionTopic|Substance|SubstanceDefinition|SubstanceNucleicAcid|SubstancePolymer|SubstanceProtein|SubstanceReferenceInformation|SubstanceSourceMaterial|SupplyDelivery|SupplyRequest|Task|TerminologyCapabilities|TestPlan|TestReport|TestScript|Transport|ValueSet|VerificationResult|VisionPrescription)\\/[A-Za-z0-9\\-\\.]{1,64}(\\/_history\\/[A-Za-z0-9\\-\\.]{1,64})?";
+  public static final String NS_CDA_ROOT = "http://hl7.org/cda/stds/core";
 }
\ No newline at end of file
diff --git a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/FHIRPathEngine.java b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/FHIRPathEngine.java
index 9bfde3080..e549e4bf2 100644
--- a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/FHIRPathEngine.java
+++ b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/FHIRPathEngine.java
@@ -1848,6 +1848,12 @@ public class FHIRPathEngine {
       } catch (Exception e) {
         return false;
       }
+    } else if ("CDA".equals(t[0])) {      
+      try {
+        return worker.fetchTypeDefinition(Utilities.pathURL(Constants.NS_CDA_ROOT, "StructureDefinition", t[1])) != null;
+      } catch (Exception e) {
+        return false;
+      }
     } else {
       return false;
     }
@@ -4876,6 +4882,20 @@ public class FHIRPathEngine {
             sd = sd.getKind() == StructureDefinitionKind.PRIMITIVETYPE ? null : worker.fetchResource(StructureDefinition.class, sd.getBaseDefinition(), sd);
           }
         }
+      } else if (tn.startsWith("CDA.")) {
+        String tnp = Utilities.pathURL(Constants.NS_CDA_ROOT, "StructureDefinition", tn.substring(4));
+        if (b.fhirType().equals(tnp)) {
+          result.add(b);          
+        } else {
+          StructureDefinition sd = worker.fetchTypeDefinition(b.fhirType());
+          while (sd != null) {
+            if (tnp.equals(sd.getType())) {
+              result.add(b);
+              break;
+            }
+            sd = sd.getKind() == StructureDefinitionKind.PRIMITIVETYPE ? null : worker.fetchResource(StructureDefinition.class, sd.getBaseDefinition(), sd);
+          }
+        }
       }
     }
     return result;
diff --git a/org.hl7.fhir.r5/src/test/java/org/hl7/fhir/r5/test/CDARoundTripTests.java b/org.hl7.fhir.r5/src/test/java/org/hl7/fhir/r5/test/CDARoundTripTests.java
index 720d053c4..fb60edb15 100644
--- a/org.hl7.fhir.r5/src/test/java/org/hl7/fhir/r5/test/CDARoundTripTests.java
+++ b/org.hl7.fhir.r5/src/test/java/org/hl7/fhir/r5/test/CDARoundTripTests.java
@@ -34,7 +34,7 @@ public class CDARoundTripTests {
 	  context = TestingUtilities.getWorkerContext(pcm.loadPackage("hl7.fhir.r4.core", "4.0.1"));
 	  fp = new FHIRPathEngine(context);
 
-	  NpmPackage npm = new FilesystemPackageCacheManager(true).loadPackage("hl7.cda.uv.core");
+	  NpmPackage npm = new FilesystemPackageCacheManager(true).loadPackage("hl7.cda.uv.core", "current");
 	  context.loadFromPackage(npm, null);
 	}
 
@@ -189,7 +189,8 @@ public class CDARoundTripTests {
 	  Assertions.assertEquals("X-34133-9", fp.evaluateToString(null, cdaExample, cdaExample, cdaExample, fp.parse("ClinicalDocument.code.code")));
 	  Assertions.assertEquals("2.16.840.1.113883.6.1", fp.evaluateToString(null, cdaExample, cdaExample, cdaExample, fp.parse("ClinicalDocument.code.codeSystem")));
 	  Assertions.assertEquals("LOINC", fp.evaluateToString(null, cdaExample, cdaExample, cdaExample, fp.parse("ClinicalDocument.code.codeSystemName")));
-	  Assertions.assertEquals("Episode Note", fp.evaluateToString(null, cdaExample, cdaExample, cdaExample, fp.parse("ClinicalDocument.title.dataString")));	  
+    Assertions.assertEquals("Episode Note", fp.evaluateToString(null, cdaExample, cdaExample, cdaExample, fp.parse("ClinicalDocument.title.xmlText")));   
+    Assertions.assertEquals("Episode Note", fp.evaluateToString(null, cdaExample, cdaExample, cdaExample, fp.parse("ClinicalDocument.title.ofType(CDA.ST).xmlText")));   
 	}
 
 	@Test