| Abbreviation | Definition |
|---|---|
| FCAS | Familial Cold Auto-inflammatory Syndrome |
| FCB | Fecal Coliform Bacteria |
| FCC | Fibrocystic Changes |
| FCC | Fracture, Compound, Comminuted |
| FCCC | Fracture, complete, comminuted, compound |
| FCCP | Fellowof the College of Chest Physicians |
| FCD | Fibrocystic Disease |
| FCD | Fracture, complete, deviated |
| FCE | Functional Capacity Evaluation |
| FCM | Fracture Critical Member |
| FCPP | First Choice Physician Partners |
| FCPS | Fellow of the College of Physicians and Surgeons |
| FCU | Familial Cold Urticaria |
| FCU | Flexor Carpi Ulnaris (muscle) |
| FD | Familial Dysautonomia |
| FD | Full Diaphragm |
| FD | Fully Developed |
| FDC | Familial Dilated Cardiomyopathy |
| FDC | Follicular Dendritic Cell |
| FDP | Flexor Digitorum Profundus |