| FDI | first dorsal interosseous [muscle]; International Dental Federation [Federation Dentaire Internation... |
|---|---|
| FDLMP | first day of last menstrual period |
| FMN | first malignant neoplasm; flavin mononucleotide; frontomaxillonasal [suture] |
| FMP | faculty mentorship program; first menstrual period; fructose monophosphate |
| FMU | first morning urine |