description: CRD Medication package_name: hl7.fhir.us.davinci-crd derivation: constraint name: CRD Medication type: Medication elements: code: binding: {strength: required, valueSet: 'http://hl7.org/fhir/us/core/ValueSet/us-core-medication-codes'} isModifier: false mustSupport: true index: 0 elements: coding: isModifier: false mustSupport: true index: 1 elements: system: {isModifier: false, mustSupport: true, index: 2} code: {isModifier: false, mustSupport: true, index: 3} package_version: 0.1.0 class: profile kind: resource url: http://hl7.org/fhir/us/davinci-crd/StructureDefinition/profile-medication-r4 base: http://hl7.org/fhir/StructureDefinition/Medication version: 0.1.0 required: [code]