| FHD | Fetal Heart Tone |
|---|---|
| FHD | familial histiocytic dermatoarthritis; family history of diabetes |
| FHF | Fulminant Hepatic Failure |
| FHF | fetal heart frequency; fulminant hepatic failure |
| fHg | free hemoglobin |
| FHH | Familial Hypocalciuric Hypercalcemia = Familial Benign Hypercalcemia |
| FHH | familial hypocalciuric hypercalcemia; fetal heart heard |
| FHI | Fuchs' heterochromic iridocyclitis |
| FHIP | family health insurance plan |
| FHIT | fragile histidine triad [gene] |