<status value="active" /> <publisher value="Synapxe" /> <description value="A profile constraining the Identifier data type for order identifiers." /> <fhirVersion value="5.0.0" /> <kind value="complex-type" /> <abstract value="false" /> <type value="Identifier" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Identifier" /> <derivation value="constraint" /> <differential> <element id="Identifier.id"> <path value="Identifier.id" /> <max value="0" /> </element> <element id="Identifier.extension"> <path value="Identifier.extension" /> <max value="0" /> </element> <element id="Identifier.use"> <path value="Identifier.use" /> <max value="0" /> </element> <element id="Identifier.type"> <path value="Identifier.type" /> <max value="0" /> </element> <element id="Identifier.system"> <path value="Identifier.system" /> <min value="1" /> <patternUri value="https://fhir.synapxe.sg/NamingSystem/order-id" /> <example> <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-suppress"> <valueBoolean value="true" /> </extension> <label value="General" /> <valueUri value="http://www.acme.com/identifiers/patient" /> </example> </element> <element id="Identifier.value"> <path value="Identifier.value" /> <min value="1" /> <example> <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-suppress"> <valueBoolean value="true" /> </extension> <label value="General" /> <valueString value="123456" /> </example> </element> <element id="Identifier.period"> <path value="Identifier.period" /> <max value="0" /> </element> <element id="Identifier.assigner"> <path value="Identifier.assigner" /> <max value="0" /> </element> </differential> </StructureDefinition>