Charting
LOS medical abbreviation
LOS means "length of stay".
Each meaning matched at least two public references (3 in all for LOS), checked October 23, 2026. The table lists them.
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What LOS means
| Meaning | Latin origin | Where used | Checked against |
|---|---|---|---|
| length of stay | None | Charting |
Example
Sample report column: "LOS."
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 LOS mean in medical terms?
LOS means "length of stay".
Where is LOS used?
LOS shows up in charting. Its category here is charting.
Is LOS on the Joint Commission Do Not Use list?
No. LOS is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.