Lab
ALT medical abbreviation
ALT means "alanine aminotransferase".
Each meaning matched at least two public references (4 in all for ALT), checked October 23, 2026. The table lists them.
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What ALT means
| Meaning | Latin origin | Where used | Checked against |
|---|---|---|---|
| alanine aminotransferase | None | Lab orders, Charting |
Example
Sample lab panel row: "ALT."
A made-up line that shows the abbreviation in place. It is not about any patient and is not an instruction.
Related abbreviations
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Questions
What does ALT mean in medical terms?
ALT means "alanine aminotransferase".
Where is ALT used?
ALT shows up in lab orders and charting. Its category here is lab.
Is ALT on the Joint Commission Do Not Use list?
No. ALT is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.