| parent | LOINC Document Ontology - Type of Service and Kind of Document | LP261247-3 |
| child | Legal letter | LP200114-9 |
| child | Letter | {Setting} | Document ontology | LP416846-6 |
| child | Letter | Hospital | Document ontology | LP416847-4 |
| child | End of treatment letter | LP433793-9 |
| child | Letter | Outpatient | Document ontology | LP416848-2 |
| PartDisplayName | en-US | Letter |
| DisplayName | en-US | Letter |
LOINC Version: 2.77
FHIR