| parent | CARD.US | LP29672-0 |
| child | Superior-Inferior | Heart.atrium Left | Cardiac ultrasound | LP408080-2 |
| child | Superior-Inferior | Heart.atrium Right | Cardiac ultrasound | LP408081-0 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Superior-Inferior |
| DisplayName | en-US | Superior-Inferior |
LOINC Version: 2.78