Lab
BAC medical abbreviation
BAC means "blood alcohol concentration".
Each meaning matched at least two public references (2 in all for BAC), checked October 23, 2026. The table lists them.
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What BAC means
| Meaning | Latin origin | Where used | Checked against |
|---|---|---|---|
| blood alcohol concentration | None | Lab orders, Charting |
Example
Sample lab order: "BAC."
A made-up line that shows the abbreviation in place. It is not about any patient and is not an instruction.
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Questions
What does BAC mean in medical terms?
BAC means "blood alcohol concentration".
Where is BAC used?
BAC shows up in lab orders and charting. Its category here is lab.
Is BAC on the Joint Commission Do Not Use list?
No. BAC is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.