Lookup for FHIR R4 Basic for use in FHIR R4B
| Source Element | Usage | Target |
| Basic.id | UseElementSameName | Basic.id |
| Basic.meta | UseElementSameName | Basic.meta |
| Basic.implicitRules | UseElementSameName | Basic.implicitRules |
| Basic.language | UseElementSameName | Basic.language |
| Basic.text | UseElementSameName | Basic.text |
| Basic.contained | UseElementSameName | Basic.contained |
| Basic.extension | UseElementSameName | Basic.extension |
| Basic.modifierExtension | UseElementSameName | Basic.modifierExtension |
| Basic.identifier | UseElementSameName | Basic.identifier |
| Basic.code | UseElementSameName | Basic.code |
| Basic.subject | UseElementSameName | Basic.subject |
| Basic.created | UseElementSameName | Basic.created |
| Basic.author | UseElementSameName | Basic.author |