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