diff --git a/hapi-fhir-structures-dstu2.1/src/test/java/ca/uhn/fhir/model/DomainResourceDstu2_1Test.java b/hapi-fhir-structures-dstu2.1/src/test/java/ca/uhn/fhir/model/DomainResourceDstu2_1Test.java
new file mode 100644
index 00000000000..f5949a8ec1b
--- /dev/null
+++ b/hapi-fhir-structures-dstu2.1/src/test/java/ca/uhn/fhir/model/DomainResourceDstu2_1Test.java
@@ -0,0 +1,21 @@
+package ca.uhn.fhir.model;
+
+import static org.junit.Assert.assertEquals;
+import org.hl7.fhir.dstu2016may.model.Patient;
+import org.junit.Test;
+
+public class DomainResourceDstu2_1Test {
+    /**
+     * Ensuring that IDs of subtypes of DomainResource get copied when
+     * the {@link org.hl7.fhir.dstu2016may.model.DomainResource#copy() method is called
+     */
+    @Test
+    public void testPatientIdCopy() {
+       Patient p1 = new Patient();
+       p1.setId("1001");
+
+       Patient copiedPatient = p1.copy();
+       String copiedPatientID = copiedPatient.getIdElement().getIdPart();
+       assertEquals("1001", copiedPatientID);
+    }
+}
diff --git a/hapi-fhir-structures-dstu3/src/test/java/org/hl7/fhir/dstu3/model/DomainResourceDstu3Test.java b/hapi-fhir-structures-dstu3/src/test/java/org/hl7/fhir/dstu3/model/DomainResourceDstu3Test.java
new file mode 100644
index 00000000000..8a5ee103697
--- /dev/null
+++ b/hapi-fhir-structures-dstu3/src/test/java/org/hl7/fhir/dstu3/model/DomainResourceDstu3Test.java
@@ -0,0 +1,20 @@
+package org.hl7.fhir.dstu3.model;
+
+import static org.junit.Assert.assertEquals;
+import org.junit.Test;
+
+public class DomainResourceDstu3Test {
+    /**
+     * Ensuring that IDs of subtypes of DomainResource get copied when
+     * the {@link DomainResource#copy() method is called
+     */
+    @Test
+    public void testPatientIdCopy() {
+       Patient p1 = new Patient();
+       p1.setId("1001");
+
+       Patient copiedPatient = p1.copy();
+       String copiedPatientID = copiedPatient.getIdElement().getIdPart();
+       assertEquals("1001", copiedPatientID);
+    }
+}
diff --git a/hapi-fhir-structures-hl7org-dstu2/src/test/java/ca/uhn/fhir/model/DomainResourceHL7_Dstu2Test.java b/hapi-fhir-structures-hl7org-dstu2/src/test/java/ca/uhn/fhir/model/DomainResourceHL7_Dstu2Test.java
new file mode 100644
index 00000000000..b1441af11fc
--- /dev/null
+++ b/hapi-fhir-structures-hl7org-dstu2/src/test/java/ca/uhn/fhir/model/DomainResourceHL7_Dstu2Test.java
@@ -0,0 +1,21 @@
+package ca.uhn.fhir.model;
+
+import static org.junit.Assert.assertEquals;
+import org.hl7.fhir.instance.model.Patient;
+import org.junit.Test;
+
+public class DomainResourceHL7_Dstu2Test {
+    /**
+     * Ensuring that IDs of subtypes of DomainResource get copied when
+     * the {@link org.hl7.fhir.instance.model.DomainResource#copy() method is called
+     */
+    @Test
+    public void testPatientIdCopy() {
+        Patient p1 = new Patient();
+        p1.setId("1001");
+
+        Patient copiedPatient = p1.copy();
+        String copiedPatientID = copiedPatient.getIdElement().getIdPart();
+        assertEquals("1001", copiedPatientID);
+    }
+}
diff --git a/hapi-fhir-structures-r4/src/test/java/org/hl7/fhir/r4/model/DomainResourceR4Test.java b/hapi-fhir-structures-r4/src/test/java/org/hl7/fhir/r4/model/DomainResourceR4Test.java
new file mode 100644
index 00000000000..5506516deaf
--- /dev/null
+++ b/hapi-fhir-structures-r4/src/test/java/org/hl7/fhir/r4/model/DomainResourceR4Test.java
@@ -0,0 +1,20 @@
+package org.hl7.fhir.r4.model;
+
+import static org.junit.Assert.assertEquals;
+import org.junit.Test;
+
+public class DomainResourceR4Test {
+    /**
+     * Ensuring that IDs of subtypes of DomainResource get copied when
+     * the {@link DomainResource#copy() method is called
+     */
+    @Test
+    public void testPatientIdCopy() {
+       Patient p1 = new Patient();
+       p1.setId("1001");
+
+       Patient copiedPatient = p1.copy();
+       String copiedPatientID = copiedPatient.getIdElement().getIdPart();
+       assertEquals("1001", copiedPatientID);
+    }
+}