| Answer | Esophagus | LA4018-3 |
| Answer | Stomach | LA4476-3 |
| Answer | Duodenum | LA16846-0 |
| Answer | Colon or rectum | LA16847-8 |
| Answer | Other | LA46-8 |
| Answer | Site unknown | LA16848-6 |
| answers-for | Site of the bleeding [PhenX] | 67226-1 |
| LONG_COMMON_NAME | en-US | PhenX19_39_bleeding site |
LOINC Version: 2.77
FHIR