<status value="draft" /> <date value="2021-03-01T20:02:28.0439961+00:00" /> <description value="String identifying the subtype of document that is attached" /> <fhirVersion value="4.0.1" /> <mapping> <identity value="rim" /> <uri value="http://hl7.org/v3" /> <name value="RIM Mapping" /> </mapping> <kind value="complex-type" /> <abstract value="false" /> <context> <type value="element" /> <expression value="DocumentReference" /> </context> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension"> <path value="Extension" /> <definition value="This is a description of the subtype of document that is attached." /> <comment value="Conformance Rule: This must not be populated by the source sending system. Usage Note: This will be used only for a small set of use cases." /> </element> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="http://telus.com/fhir/patientChart/StructureDefinition/ext-documentreference-subtype" /> </element> <element id="Extension.value[x]"> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"> <valueCode value="normative" /> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version"> <valueCode value="4.0.0" /> </extension> <path value="Extension.value[x]" /> <min value="1" /> <type> <code value="string" /> </type> <mustSupport value="true" /> </element> </differential> </StructureDefinition>