description: Constraints on Service Request package_name: hl7.fhir.us.davinci-crd derivation: constraint name: CommunicationRequestR4 type: CommunicationRequest elements: category: {isModifier: false, mustSupport: false, index: 6} payload: {isModifier: false, mustSupport: false, index: 13} encounter: type: Reference isModifier: false mustSupport: false refers: ['http://hl7.org/fhir/us/davinci-crd/StructureDefinition/profile-encounter-r4'] index: 12 medium: {isModifier: false, mustSupport: false, index: 9} recipient: type: Reference isModifier: false mustSupport: true refers: ['http://hl7.org/fhir/us/core/StructureDefinition/us-core-practitionerrole', 'http://hl7.org/fhir/us/davinci-crd/StructureDefinition/profile-practitioner-r4'] array: true index: 18 reasonCode: {isModifier: false, mustSupport: true, index: 20} statusReason: {isModifier: false, mustSupport: false, index: 5} authoredOn: {isModifier: false, mustSupport: true, index: 16} note: {isModifier: false, mustSupport: false, index: 22} requester: type: Reference isModifier: false mustSupport: true refers: ['http://hl7.org/fhir/us/core/StructureDefinition/us-core-practitionerrole', 'http://hl7.org/fhir/us/davinci-crd/StructureDefinition/profile-practitioner-r4'] index: 17 priority: {isModifier: false, mustSupport: false, index: 7} status: type: code pattern: {type: Code, value: draft} isModifier: false mustSupport: true index: 4 groupIdentifier: {isModifier: false, mustSupport: false, index: 3} sender: type: Reference isModifier: false mustSupport: true refers: ['http://hl7.org/fhir/us/core/StructureDefinition/us-core-practitionerrole', 'http://hl7.org/fhir/us/davinci-crd/StructureDefinition/profile-practitioner-r4'] index: 19 identifier: {isModifier: false, mustSupport: true, index: 0} doNotPerform: {isModifier: false, mustSupport: false, index: 8} replaces: type: Reference isModifier: false mustSupport: false refers: ['http://hl7.org/fhir/us/davinci-crd/StructureDefinition/profile-communicationrequest-r4'] index: 2 basedOn: {isModifier: false, mustSupport: true, index: 1} subject: type: Reference isModifier: false mustSupport: true refers: ['http://hl7.org/fhir/us/davinci-crd/StructureDefinition/profile-patient-r4'] index: 10 occurrence: isModifier: false mustSupport: true choices: [] index: 15 about: {isModifier: false, mustSupport: false, index: 11} reasonReference: type: Reference isModifier: false mustSupport: true refers: ['http://hl7.org/fhir/us/core/StructureDefinition/us-core-condition', 'http://hl7.org/fhir/us/core/StructureDefinition/us-core-observationresults'] index: 21 package_version: 0.3.0 class: profile kind: resource url: http://hl7.org/fhir/us/davinci-crd/StructureDefinition/profile-communicationrequest-r4 base: http://hl7.org/fhir/StructureDefinition/CommunicationRequest version: 0.3.0 required: [authoredOn, requester, basedOn, status, subject]