description: An alternative representation of the same physical quantity expressed in a different unit from a different unit code system and possibly with a different value. package_name: rs/hl7.fhir.core derivation: constraint name: PQ-translation type: Extension elements: extension: {index: 0} url: type: uri pattern: {type: uri, value: 'http://hl7.org/fhir/StructureDefinition/iso21090-PQ-translation'} index: 1 valueQuantity: {type: Quantity, index: 2} package_version: 3.2.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/iso21090-PQ-translation base: http://hl7.org/fhir/StructureDefinition/Extension version: null