| FEC | forced expiratory capacity; free erythrocyte coproporphyrin; freestanding emergency center; Friend erythroleukemia cell |
|---|---|
| FECG | fetal electrocardiogram |
| FECH | ferrochelatase |
| FECO2 | fractional concentration of carbon dioxide in expired gas |
| FECP | free erythrocyte coproporphyrin |
| FECT | fibroelastic connective tissue |
| FECU | factor [VIII] correctional unit |
| FECV | feline enteric coronavirus |
| FECVC | functional extracellular fluid volume |