| FIC | Fogarty International Center; fractional inhibitory concentration |
|---|---|
| FICA | Federal Insurance Contributions Act |
| FICD | Fellow of the Institute of Canadian Dentists; Fellow of the International College of Dentists |
| FiCO2, | FICO2 fractional concentration of carbon dioxide in inspired gas |
| FICS | Fellow of the International College of Surgeons |
| FICU | fetal intensive care unit |