description: A classification of specification related to the kind of the entity it is referencing. package_name: hl7.fhir.us.pq-cmc-fda derivation: constraint name: SpecificationTypeExtension type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/us/pq-cmc-fda/StructureDefinition/pq-specification-type-extension'} index: 1 value: short: Specification Type mustSupport: true choices: [valueCodeableConcept] index: 3 valueCodeableConcept: {type: CodeableConcept, short: Specification Type, mustSupport: true, choiceOf: value, index: 4} package_version: 1.0.0-ballot extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/us/pq-cmc-fda/StructureDefinition/pq-specification-type-extension base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0-ballot required: [value, valueCodeableConcept]