Forced expired volume in one second/forced vital capacity ratio (observable entity)
| Code | 251944000 |
|---|---|
| Semantic tag | observable entity |
| Module | international |
| Definition | primitive |
| Effective time | 20020131 |
251942001Respiratory ratio
observable entity
1833321000000109FEV1 (forced expiratory volume in 1 second) to FVC (forced vital capacity) ratio z-score
observable entity