| CLASS | PULM | LP7840-4 |
| COMPONENT | Gas flow at 50% of forced expiration | LP145597-3 |
| PROPERTY | VRat | LP6895-9 |
| TIME_ASPCT | Pt | LP6960-1 |
| SYSTEM | Respiratory system.airway | LP7558-2 |
| SCALE_TYP | Qn | LP7753-9 |
| parent | FEF 50% | Respiratory system airway | Respiratory measures and Ventilator management | LP408960-5 |
| CLASSTYPE | Clinical class | |
| EXAMPLE_UCUM_UNITS | L/s | |
| UNITSREQUIRED | N | |
| STATUS | TRIAL |
| LONG_COMMON_NAME | en-US | Gas flow FEV 50% |
| LONG_COMMON_NAME | en-US | Gas flow FEV 50% |
| SHORTNAME | en-US | Gas flow FEV 50% |
| LONG_COMMON_NAME | es-MX | Flujo de gas al 50% de la espiración forzada:Sistema respiratorio vía aérea. :Punto temporal:VRat:Cuantitativo: |
LOINC Version: 2.78