Condition
OA medical abbreviation
OA means "osteoarthritis".
Each meaning matched at least two public references (2 in all for OA), checked October 23, 2026. The table lists them.
Run it in Rivvi
Ask what OA means in your note
Paste a sig line, a note, or a claim and Rivvi spells out each abbreviation and flags the ones on the Do Not Use list.
Ask RivviFree to start. No card. Opens Rivvi, the AI workspace for healthcare teams.
What OA means
| Meaning | Latin origin | Where used | Checked against |
|---|---|---|---|
| osteoarthritis | None | Charting, Problem lists |
Example
Sample problem list entry: "OA of the knee."
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 OA mean in medical terms?
OA means "osteoarthritis".
Where is OA used?
OA shows up in charting and problem lists. Its category here is condition.
Is OA on the Joint Commission Do Not Use list?
No. OA is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.