Lab
A1C medical abbreviation
A1C means "hemoglobin A1c".
Each meaning matched at least two public references (3 in all for A1C), checked October 23, 2026. The table lists them.
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What A1C means
| Meaning | Latin origin | Where used | Checked against |
|---|---|---|---|
| hemoglobin A1c | None | Lab orders, Charting |
Also written: HbA1c, HBA1C.
Example
Sample lab order: "A1C."
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 A1C mean in medical terms?
A1C means "hemoglobin A1c".
Where is A1C used?
A1C shows up in lab orders and charting. Its category here is lab.
Is A1C on the Joint Commission Do Not Use list?
No. A1C is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.