Billing and insurance
SEP medical abbreviation
SEP means "special enrollment period".
Each meaning matched at least two public references (2 in all for SEP), checked October 23, 2026. The table lists them.
Run it in Rivvi
Ask what SEP 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 SEP means
| Meaning | Latin origin | Where used | Checked against |
|---|---|---|---|
| special enrollment period | None | Billing, Claims |
Example
Sample calendar item: "SEP."
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 SEP mean in medical terms?
SEP means "special enrollment period".
Where is SEP used?
SEP shows up in billing and claims. Its category here is billing and insurance.
Is SEP on the Joint Commission Do Not Use list?
No. SEP is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.