<status value="active" /> <publisher value="Nictiz" /> <contact> <name value="Nictiz" /> <telecom> <system value="url" /> <value value="https://www.nictiz.nl" /> <use value="work" /> </telecom> </contact> <description value="This extension is used to augment a reference with the target resource category, in cases when `Reference.type` is not precise enough to determine the functional counterpart of the reference and `Reference.identifier` is used. The value of this extension is often a semantic code (e.g. the zib's root definition code) which identifies the target resource category." /> <copyright value="Copyright and related rights waived via CC0, https://creativecommons.org/publicdomain/zero/1.0/. This does not apply to information from third parties, for example a medical terminology system. The implementer alone is responsible for identifying and obtaining any necessary licenses or authorizations to utilize third party IP in connection with the specification or otherwise." /> <fhirVersion value="4.0.1" /> <kind value="complex-type" /> <abstract value="false" /> <context> <type value="element" /> <expression value="Reference" /> </context> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension"> <path value="Extension" /> <max value="1" /> </element> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="http://nictiz.nl/fhir/StructureDefinition/ext-ResourceCategory" /> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <definition value="The expected resource category of the target of the reference. The ResourceCategory is a semantic code that represents the category of the resource this reference refers to." /> <comment value="This element is used to indicate the resource's category of the target of the reference in cases when the `Reference.type` is not precise enough to determine the functional counterpart of the reference element." /> <type> <code value="CodeableConcept" /> </type> </element> </differential> </StructureDefinition>