description: This DocumentReference profile references a document of any kind, including a diagram or image, that is necessary for pharmaceutical quality (PQ) data exchange. package_name: hl7.fhir.uv.pharm-quality derivation: constraint name: DocumentReferenceDrugPq type: DocumentReference elements: identifier: {mustSupport: true, index: 0} status: {mustSupport: true, index: 1} type: {mustSupport: true, index: 2} content: mustSupport: true index: 3 elements: attachment: {mustSupport: true, index: 4} package_version: 1.0.0-ballot class: profile kind: resource url: http://hl7.org/fhir/uv/pharm-quality/StructureDefinition/DocumentReference-drug-pq base: http://hl7.org/fhir/StructureDefinition/DocumentReference version: 1.0.0-ballot