Care setting or organization
OR medical abbreviation
OR means "operating room".
Each meaning matched at least two public references (3 in all for OR), checked October 23, 2026. The table lists them.
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What OR means
| Meaning | Latin origin | Where used | Checked against |
|---|---|---|---|
| operating room | None | Billing, Charting |
Example
Sample note: "to the OR."
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 OR mean in medical terms?
OR means "operating room".
Where is OR used?
OR shows up in billing and charting. Its category here is care setting or organization.
Is OR on the Joint Commission Do Not Use list?
No. OR is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.