| parent | CARD.US | LP29672-0 |
| child | Effective regurgitant orifice area | Aortic valve | Cardiac ultrasound | LP407866-5 |
| child | Effective regurgitant orifice area | Mitral valve | Cardiac ultrasound | LP407867-3 |
| child | Effective regurgitant orifice area | Tricuspid valve | Cardiac ultrasound | LP407868-1 |
| PartDisplayName | en-US | Effective regurgitant orifice area |
| DisplayName | en-US | Effective regurgitant orifice area |
LOINC Version: 2.77
FHIR