| parent | Study observation | LP19257-2 |
| child | Fetal Yolk sac Narrative Study observation US | 12128-5 |
| child | Fetal Yolk sac Study observation US | 72221-5 |
| child | Deprecated Fetal Yolk sac Quantitative Study observation US | 12127-7 |
| STATUS | NotStated |
| PartDisplayName | en-US | Study observation | Fetus | Yolk sac | OB ultrasound |
LOINC Version: 2.78