Lookup for FHIR R3 Coding for use in FHIR R4

Source ElementUsageTarget
Coding.idUseElementSameNameCoding.id
Coding.extensionUseElementSameNameCoding.extension
Coding.systemUseElementSameNameCoding.system
Coding.versionUseElementSameNameCoding.version
Coding.codeUseElementSameNameCoding.code
Coding.displayUseElementSameNameCoding.display
Coding.userSelectedUseElementSameNameCoding.userSelected