| FBA | fecal bile acid |
|---|---|
| FBAO | foreign-body airway obstruction |
| FBC | full blood count |
| FBCOD | foreign body of the cornea, oculus dexter (right eye) |
| FBCOS | foreign body of the cornea, oculus sinister (left eye) |
| FBCP | familial benign chronic pemphigus |
| FBD | functional bowel disorder |
| FbDP | fibrin degradation products |
| FBE | full blood examination |
| FBEC | fetal bovine endothelial cell |