diff --git a/api/src/main/java/org/openmrs/module/fhir2/FhirConstants.java b/api/src/main/java/org/openmrs/module/fhir2/FhirConstants.java
index 3500a72d4..538ec6505 100644
--- a/api/src/main/java/org/openmrs/module/fhir2/FhirConstants.java
+++ b/api/src/main/java/org/openmrs/module/fhir2/FhirConstants.java
@@ -65,7 +65,9 @@ public class FhirConstants {
 	public static final String OBSERVATION_CATEGORY_VALUE_SET_URI = HL7_FHIR_CODE_SYSTEM_PREFIX + "/observation-category";
 	
 	public static final String ENCOUNTER_CLASS_VALUE_SET_URI = HL7_FHIR_CODE_SYSTEM_PREFIX + "/v3-ActCode";
-	
+
+	public static final String GLOBAL_PROPERTY_IDENTIFIER_SYSTEM = "fhir2.sourceIdentifierSystem";
+
 	@Value("${project.version}")
 	public static String OPENMRS_FHIR_SERVER_VERSION;
 	
diff --git a/api/src/main/java/org/openmrs/module/fhir2/api/translators/impl/PatientTranslatorImpl.java b/api/src/main/java/org/openmrs/module/fhir2/api/translators/impl/PatientTranslatorImpl.java
index ea5f74e8c..83e05f56d 100644
--- a/api/src/main/java/org/openmrs/module/fhir2/api/translators/impl/PatientTranslatorImpl.java
+++ b/api/src/main/java/org/openmrs/module/fhir2/api/translators/impl/PatientTranslatorImpl.java
@@ -119,8 +119,9 @@ public Patient toFhirResource(@Nonnull org.openmrs.Patient openmrsPatient) {
 		for (PatientIdentifier identifier : openmrsPatient.getActiveIdentifiers()) {
 			patient.addIdentifier(identifierTranslator.toFhirResource(identifier));
 		}
-		
-		patient.addIdentifier().setSystem("urn:ietf:rfc:3986").setValue(
+
+		String identifierSystem = globalPropertyService.getGlobalProperty(FhirConstants.GLOBAL_PROPERTY_IDENTIFIER_SYSTEM, "http://openclientregistry.org/fhir/sourceid");
+		patient.addIdentifier().setSystem(identifierSystem).setValue(
 		    globalPropertyService.getGlobalProperty(FhirConstants.GLOBAL_PROPERTY_URI_PREFIX, "http://openmrs.org") + '/'
 		            + openmrsPatient.getUuid());
 		
diff --git a/api/src/test/java/org/openmrs/module/fhir2/api/translators/impl/PatientTranslatorImplTest.java b/api/src/test/java/org/openmrs/module/fhir2/api/translators/impl/PatientTranslatorImplTest.java
index 44a158ee3..35860a741 100644
--- a/api/src/test/java/org/openmrs/module/fhir2/api/translators/impl/PatientTranslatorImplTest.java
+++ b/api/src/test/java/org/openmrs/module/fhir2/api/translators/impl/PatientTranslatorImplTest.java
@@ -53,6 +53,7 @@
 import org.openmrs.PersonAttribute;
 import org.openmrs.PersonAttributeType;
 import org.openmrs.PersonName;
+import org.openmrs.module.fhir2.FhirConstants;
 import org.openmrs.module.fhir2.api.FhirGlobalPropertyService;
 import org.openmrs.module.fhir2.api.dao.FhirPersonDao;
 import org.openmrs.module.fhir2.api.translators.GenderTranslator;
@@ -65,7 +66,7 @@
 
 @RunWith(MockitoJUnitRunner.class)
 public class PatientTranslatorImplTest {
-	
+
 	private static final String PATIENT_UUID = "123456-abcdef-123456";
 	
 	private static final String PATIENT_IDENTIFIER_UUID = "654321-fedcba-654321";
@@ -87,7 +88,9 @@ public class PatientTranslatorImplTest {
 	private static final String PERSON_ATTRIBUTE_VALUE = "254723723456";
 	
 	private static final Date PATIENT_DEATH_DATE = Date.from(Instant.ofEpochSecond(872986980L));
-	
+
+	public static final String DEFAULT_IDENTIFIER_SYSTEM = "http://openclientregistry.org/fhir/sourceid";
+
 	@Mock
 	private PatientIdentifierTranslator identifierTranslator;
 	
@@ -483,4 +486,14 @@ public void shouldTranslateToFHIRBirthDate() {
 		assertThat(result.getBirthDateElement().getYear(), equalTo(dateType.getYear()));
 		assertThat(result.getBirthDateElement().getMonth(), equalTo(dateType.getMonth()));
 	}
+
+	@Test
+	public void shouldTranslatePatientWithSystemIdentifier() {
+		org.openmrs.Patient patient = new org.openmrs.Patient();
+
+		Patient result = patientTranslator.toFhirResource(patient);
+		assertThat(result.getIdentifier(), not(empty()));
+		assertThat(result.getIdentifier().get(0).getSystem(), equalTo(
+				globalPropertyService.getGlobalProperty(FhirConstants.GLOBAL_PROPERTY_IDENTIFIER_SYSTEM, DEFAULT_IDENTIFIER_SYSTEM)));
+	}
 }
diff --git a/omod/src/main/resources/config.xml b/omod/src/main/resources/config.xml
index 077dacbc1..3754ef4eb 100644
--- a/omod/src/main/resources/config.xml
+++ b/omod/src/main/resources/config.xml
@@ -155,4 +155,9 @@
 		<description>Path of narrative override properties file</description>
 	</globalProperty>
 
+	<globalProperty>
+		<property>${project.parent.artifactId}.sourceIdentifierSystem</property>
+		<defaultValue>http://openclientregistry.org/fhir/sourceid</defaultValue>
+		<description>System for Patient identifier for OpenCR: Source Identifier System</description>
+	</globalProperty>
 </module>