Where used:
| Class | CODED CLINICAL ENTRY | references in description DATA ABSENT REASON |
| Class | CODED CLINICAL ENTRY | has an attribute DATA ABSENT REASON |
| Data Element | DATA ABSENT REASON (FHIR R4) | references in description DATA ABSENT REASON |
| Data Element | DATA ABSENT REASON (FHIR R4) | is the data element of DATA ABSENT REASON |