Lab
FBS medical abbreviation
FBS means "fasting blood sugar".
Each meaning matched at least two public references (4 in all for FBS), checked October 23, 2026. The table lists them.
Run it in Rivvi
Ask what FBS means in your note
Paste a sig line, a note, or a claim and Rivvi spells out each abbreviation and flags the ones on the Do Not Use list.
Ask RivviFree to start. No card. Opens Rivvi, the AI workspace for healthcare teams.
What FBS means
| Meaning | Latin origin | Where used | Checked against |
|---|---|---|---|
| fasting blood sugar | None | Lab orders, Charting |
Example
Sample lab order: "FBS."
A made-up line that shows the abbreviation in place. It is not about any patient and is not an instruction.
Related abbreviations
Elsewhere on Rivvi
Questions
What does FBS mean in medical terms?
FBS means "fasting blood sugar".
Where is FBS used?
FBS shows up in lab orders and charting. Its category here is lab.
Is FBS on the Joint Commission Do Not Use list?
No. FBS is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.