Lookup for FHIR R5 Age for use in FHIR R4B

Source ElementUsageTarget
Age.idUseElementSameNameAge.id
Age.extensionUseElementSameNameAge.extension
Age.valueUseElementSameNameAge.value
Age.comparatorUseExtensionhttp://hl7.org/fhir/5.0/StructureDefinition/extension-Age.comparator
Age.unitUseElementSameNameAge.unit
Age.systemUseElementSameNameAge.system
Age.codeUseElementSameNameAge.code