description: Extension on ReferralRequest.reasonReference to point to a Condition or Procedure that is the reason for the referral. package_name: nictiz.fhir.nl.stu3.geboortezorg derivation: constraint name: bc-referralrequest-reasonReference type: Extension elements: url: pattern: {type: Uri, value: 'http://nictiz.nl/fhir/StructureDefinition/bc-referralrequest-reasonReference'} index: 0 valueReference: type: Reference index: 1 slicing: slices: valueReference: match: {} schema: {type: Reference, index: 1} package_version: 1.3.3-rc5 class: extension kind: complex-type url: http://nictiz.nl/fhir/StructureDefinition/bc-referralrequest-reasonReference base: http://hl7.org/fhir/StructureDefinition/Extension version: null