Unit of measure
SEC medical abbreviation
SEC means "second".
Each meaning matched at least two public references (2 in all for SEC), checked October 23, 2026. The table lists them.
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What SEC means
| Meaning | Latin origin | Where used | Checked against |
|---|---|---|---|
| second | None | Prescriptions, Charting |
Also written: sec.
Example
Sample report unit: "sec."
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 SEC mean in medical terms?
SEC means "second".
Where is SEC used?
SEC shows up in prescriptions and charting. Its category here is unit of measure.
Is SEC on the Joint Commission Do Not Use list?
No. SEC is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.