Lab
LAB medical abbreviation
LAB means "laboratory".
Each meaning matched at least two public references (2 in all for LAB), checked October 23, 2026. The table lists them.
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What LAB means
| Meaning | Latin origin | Where used | Checked against |
|---|---|---|---|
| laboratory | None | Lab orders, Charting |
Also written: lab.
Example
Sample order heading: "lab."
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 LAB mean in medical terms?
LAB means "laboratory".
Where is LAB used?
LAB shows up in lab orders and charting. Its category here is lab.
Is LAB on the Joint Commission Do Not Use list?
No. LAB is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.