| parent | OB.US | LP7830-5 |
| child | Study observation general | Fetus | OB ultrasound | LP416320-2 |
| child | Study observation general | Fetuses | OB ultrasound | LP416321-0 |
| child | Study observation general | Patient | OB ultrasound | LP416322-8 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Study observation.general |
| DisplayName | en-US | Study observation general |
LOINC Version: 2.81