What Does FB Mean in Medical Terms?

FB stands for foreign body. Object lodged in a body part where it does not belong.

Where you will see FB

You will most often see FB in medical charts and clinical notes, emergency department and intensive care records.

Example

A chart note might use “FB” as shorthand for foreign body when documenting a patient's care.

Related abbreviations

• 3% saline — three percent saline (hypertonic)
• 3D-CAM — 3-minute Diagnostic Confusion Assessment Method
• 4-point restraints — four-point restraints
• 4F-PCC — four-factor prothrombin complex concentrate
• 5150 — 5150 hold (California)
• 5150 hold eval — 72-hour hold evaluation
• A&O x4 — alert and oriented times four (person place time situation)
• A-line — A-line (arterial line shorthand)

Browse the full Medical Abbreviations guide — 5,715 entries, searchable A–Z and by specialty.