Lab
NA medical abbreviation
NA means "sodium", from the Latin "natrium".
Each meaning matched at least two public references (2 in all for NA), checked October 23, 2026. The table lists them.
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What NA means
| Meaning | Latin origin | Where used | Checked against |
|---|---|---|---|
| sodium | natrium | Lab orders, Charting |
Also written: Na.
Example
Sample lab panel row: "Na."
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 NA mean in medical terms?
NA means "sodium", from the Latin "natrium".
What does NA stand for in Latin?
NA comes from "natrium", meaning "sodium".
Where is NA used?
NA shows up in lab orders and charting. Its category here is lab.
Is NA on the Joint Commission Do Not Use list?
No. NA is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.