description: Constraints on the US Core PractitionerRole requiring the use of Da Vinci Organization and Practitioner package_name: hl7.fhir.us.davinci-hrex derivation: constraint name: HRexPractitionerRole type: PractitionerRole elements: practitioner: type: Reference refers: ['http://hl7.org/fhir/us/davinci-hrex/StructureDefinition/hrex-practitioner'] index: 0 organization: type: Reference refers: ['http://hl7.org/fhir/us/davinci-hrex/StructureDefinition/hrex-organization'] index: 1 package_version: 1.0.0 class: profile kind: resource url: http://hl7.org/fhir/us/davinci-hrex/StructureDefinition/hrex-practitionerrole base: http://hl7.org/fhir/us/core/StructureDefinition/us-core-practitionerrole version: 1.0.0