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What Does LEF Mean in Medical Terms?
LEF stands for leflunomide. Immune-suppressing medicine for inflammatory arthritis.
leflunomide
Immune-suppressing medicine for inflammatory arthritis.
Where you will see LEF
You will most often see LEF in medication orders and prescriptions, orthopaedic and physiotherapy notes.
Example
A medication order might be written with “LEF” as shorthand for leflunomide.
Related abbreviations
- 3% saline — three percent saline (hypertonic)
- 5-FU — fluorouracil
- 6-MP — mercaptopurine
- 6-TG — thioguanine
- 7+3 — seven plus three induction
- 90-90 traction — ninety-ninety traction (femur)
- a.c. — ante cibum (before meals)
- AAROM — active-assisted range of motion
Browse the full Medical Abbreviations guide — 5,715 entries, searchable A–Z and by specialty.
Educational reference only. This guide is for learning and quick reference. Abbreviations vary between hospitals, countries and specialties, and some are discouraged because they can be misread. Always write and interpret orders using your own institution’s approved abbreviation list, and check anything unclear with the prescriber or your local policy.