| Source Element | Usage | Target |
|---|---|---|
| Distance.id | UseElementSameName | Distance.id |
| Distance.extension | UseElementSameName | Distance.extension |
| Distance.value | UseElementSameName | Distance.value |
| Distance.comparator | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-Distance.comparator |
| Distance.unit | UseElementSameName | Distance.unit |
| Distance.system | UseElementSameName | Distance.system |
| Distance.code | UseElementSameName | Distance.code |