<status value="draft" /> <fhirVersion value="3.0.2" /> <kind value="complex-type" /> <abstract value="false" /> <contextType value="resource" /> <context value="Patient" /> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="http://nictiz.nl/fhir/StructureDefinition/iwlz-ext-Contactgegevens-VoorkeurContactwijze" /> </element> <element id="Extension.value[x]:valueCodeableConcept"> <path value="Extension.valueCodeableConcept" /> <sliceName value="valueCodeableConcept" /> <type> <code value="CodeableConcept" /> </type> <binding> <strength value="required" /> <description value="COD1001: Voorkeur contactwijze" /> <valueSetReference> <reference value="http://istandaarden.nl/ibieb/codelijsten/COD1001" /> </valueSetReference> </binding> </element> </differential> </StructureDefinition>