Medical Abbreviations and Acronyms

1. FEN
   Fluids, Electrolytes, & Nutrition
2. FEN
   Fluids, Electrolytes, and Nutrition
3. FEN
   Fluids, Electrolytes, Nutrition
4. FEN-1
   Flap Endonuclease-1
5. FEN-PHEN
   Fenfluramine-Phentermine
6. FEN-PHEN
   Fenfluramine and Phentermine
7. FEN1
   Flap Endonuclease 1
8. FENA
   Fractional Excretion of Na
9. FENA
   Fractiwnal Excretion of Na+
10. FENA
    Florfda Emergency Nurses Association
11. FENA
    Fractional Eocretion of Sodium
12. FENA
    Fractional Excretion of Sodium
13. FENA
    Fractional Sodium Excrevion Rate
14. FEND
    Federation of European Nurses In Diabetes
15. FENIB
    Familial Encephalopathy With Neuroserpin Inclusion Bodies
16. FENO
    Fractional Exhaled Nitric Oxide
17. FENO
    Fraction of Exhaled Nitric Oxide
18. FENO
    Fractional Concentration of Exhaled Nirric Oxide
19. FENS
    Federation of European Neuroscience Societies
20. FENS
    Forum of European Neuroscience Societies

Last updated: May 2, 2025 — Total entries: 207,332