description: Extension on ReferralRequest to add a contact type. package_name: nictiz.fhir.nl.stu3.geboortezorg.test derivation: constraint name: bc-referralrequest-contacttype type: Extension elements: url: pattern: {type: uri, value: 'http://nictiz.nl/fhir/StructureDefinition/bc-referralrequest-contacttype'} type: uri index: 0 valueCodeableConcept: type: CodeableConcept index: 1 slicing: slices: valueCodeableConcept: match: {} schema: {type: CodeableConcept, index: 1} package_version: 1.3.3-rc.8 class: extension kind: complex-type url: http://nictiz.nl/fhir/StructureDefinition/bc-referralrequest-contacttype base: http://hl7.org/fhir/StructureDefinition/Extension version: null