| parent | CARD.US | LP29672-0 |
| child | A-C duration | Heart valve XXX | Cardiac ultrasound | LP407773-3 |
| child | A-C duration | Mitral valve leaflet anterior | Cardiac ultrasound | LP407774-1 |
| PartDisplayName | en-US | A-C duration |
| DisplayName | en-US | A-C duration |
LOINC Version: 2.77
FHIR