description: 'R4B: `Appointment.reasonReference` (new:Reference(Condition,Procedure,Observation,ImmunizationRecommendation))'
package_name: hl7.fhir.uv.xver-r4b.r5
derivation: constraint
name: ExtensionAppointment_ReasonReference
type: Extension
elements:
  url:
    base: {max: '1', min: 1, path: Extension.url}
    pattern: {type: Uri, value: 'http://hl7.org/fhir/4.3/StructureDefinition/extension-Appointment.reasonReference'}
    index: 0
  value:
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    short: Reason the appointment is to take place (resource)
    choices: [valueReference]
    index: 2
  valueReference:
    short: Reason the appointment is to take place (resource)
    refers: ['http://hl7.org/fhir/4.3/StructureDefinition/profile-Condition|0.1.0', 'http://hl7.org/fhir/4.3/StructureDefinition/profile-ImmunizationRecommendation|0.1.0', 'http://hl7.org/fhir/4.3/StructureDefinition/profile-Observation|0.1.0', 'http://hl7.org/fhir/4.3/StructureDefinition/profile-Procedure|0.1.0', 'http://hl7.org/fhir/StructureDefinition/Condition|5.0.0', 'http://hl7.org/fhir/StructureDefinition/ImmunizationRecommendation|5.0.0', 'http://hl7.org/fhir/StructureDefinition/Observation|5.0.0', 'http://hl7.org/fhir/StructureDefinition/Procedure|5.0.0']
    type: Reference
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    choiceOf: value
    index: 3
package_version: 0.1.0
class: extension
kind: complex-type
url: http://hl7.org/fhir/4.3/StructureDefinition/extension-Appointment.reasonReference
base: http://hl7.org/fhir/StructureDefinition/Extension|5.0.0
version: 0.1.0
required: [url]