description: PAS constraints on MedicationRequest resource mandating support for elements relevant to the prescriptions being requested on a prior authorization request package_name: hl7.fhir.us.davinci-pas derivation: constraint name: PASMedicationRequest type: MedicationRequest elements: intent: pattern: {type: Code, value: order} index: 0 subject: type: Reference refers: ['http://hl7.org/fhir/us/davinci-pas/StructureDefinition/profile-beneficiary'] index: 1 dosageInstruction: elements: timing: {type: Timing, mustSupport: true, index: 2} dispenseRequest: mustSupport: true index: 3 elements: quantity: {mustSupport: true, index: 4} package_version: 1.2.0-ballot class: profile kind: resource url: http://hl7.org/fhir/us/davinci-pas/StructureDefinition/profile-medicationrequest base: http://hl7.org/fhir/us/core/StructureDefinition/us-core-medicationrequest version: 1.2.0-ballot