Lab
FEV1 medical abbreviation
FEV1 means "forced expiratory volume in 1 second".
Each meaning matched at least two public references (2 in all for FEV1), checked October 23, 2026. The table lists them.
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What FEV1 means
| Meaning | Latin origin | Where used | Checked against |
|---|---|---|---|
| forced expiratory volume in 1 second | None | Lab orders, Charting |
Example
Sample report row: "FEV1."
A made-up line that shows the abbreviation in place. It is not about any patient and is not an instruction.
Related abbreviations
Elsewhere on Rivvi
Questions
What does FEV1 mean in medical terms?
FEV1 means "forced expiratory volume in 1 second".
Where is FEV1 used?
FEV1 shows up in lab orders and charting. Its category here is lab.
Is FEV1 on the Joint Commission Do Not Use list?
No. FEV1 is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.