| Answer | More specific code | LA19574-5 |
| Answer | Not visualized | LA9632-6 |
| Answer | Suboptimally visualized | LA18997-9 |
| Answer | Enlarged | LA19575-2 |
| Answer | Dilated | LA19576-0 |
| Answer | Hydrocephalus | LA19577-8 |
| answers-for | Fetal Fourth ventricle Study observation US | 12059-2 |
| LONG_COMMON_NAME | en-US | 4th ventricle defects |
LOINC Version: 2.77
FHIR