| Fasciola Ab (IgG) |
| Factor V leiden (APCR) |
| Factor V leiden mutation |
| FDP |
| Ferritin |
| Fibrinogen |
| Fluid analysis |
| Flurazepam |
| FNA (fine niddle aspiration) |
| Folic acid |
| Free BhCG |
| Free cortisol |
| Free Estriol |
| Free kappa |
| Free lambda |
| Free PSA |
| Free T3 |
| Free T4 |
| Free testosterone |
| FSH |
| FTA Ab |
| FTA Ab (Abs) |
| Fungi Direct smear&culture |
| Flufenazine (drug abuse) |
| Fluoxetine (drug abuse) |
| Flupenthixol (drug abuse) |
| Flurazepam (drug abuse) |
| Fluvoxamine (drug abuse) |
| Furosemide (drug abuse) |
