| Format/Length: | n.nn | 
| HES Item: | |
| National Codes: | |
| Default Codes: | 
Notes:
The Forced Expiratory Volume (FEV) of the lungs in 1 second measured in litres is a MEASURED OBSERVATION VALUE of the Lung Capacity.
References:
National Cancer Dataset Version 1.3_ISB October 2002
This data element is also known by these names:
| Context | Alias | 
|---|---|
| plural | FEV1 ABSOLUTE AMOUNTS | 

