Charting
LOC medical abbreviation
LOC means "loss of consciousness".
Each meaning matched at least two public references (2 in all for LOC), checked October 23, 2026. The table lists them.
Run it in Rivvi
Ask what LOC 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 LOC means
| Meaning | Latin origin | Where used | Checked against |
|---|---|---|---|
| loss of consciousness | None | Charting |
Example
Sample note: "no LOC."
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 LOC mean in medical terms?
LOC means "loss of consciousness".
Where is LOC used?
LOC shows up in charting. Its category here is charting.
Is LOC on the Joint Commission Do Not Use list?
No. LOC is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.