| 100875-4 | Fetal Heart Document limited US |
| 100876-2 | Fetal Heart Document US |
| 11615-2 | Fetal Heart Activity US |
| 11616-0 | Fetal Heart Narrative Activity US |
| 12009-7 | Fetal Heart R-R duration US |
| 53655-7 | Fetal Heart Diameter transverse US |
| 53656-5 | Fetal Heart Diameter.anterior-posterior US |
| 53657-3 | Fetal Heart Circumference US |
| 53660-7 | Fetal Heart Narrative Study observation US |