| FB | fasting blood [sugar]; feedback; fiberoptic bronchoscopy; fingerbreadth; foreign body; Fusobacterium... | 
|---|---|
| FBAO | foreign-body airway obstruction | 
| FBCOD | foreign body of the cornea, oculus dexter (right eye) | 
| FBCOS | foreign body of the cornea, oculus sinister (left eye) | 
| FBG | fasting blood glucose; fibrinogen; foreign body granulomatosis |