CPT 33266
Ablate atria x10sv endo
CPT 33266 at a glance
- Code
- 33266
- Code type
- CPT/HCPCS (Add. EE)
- Short descriptor
- Ablate atria x10sv endo
- Category
- Excluded from ASC Pay (Add. EE)
- ASC payment status
- Excluded from ASC payment
- CMS addendum
- EE (Excluded)
- Typical setting
- Hospital outpatient department (POS 22) or office (POS 11). Not separately payable in an ASC.
What is CPT code 33266?
CPT 33266 is a CPT/HCPCS (Add. EE) procedure code. Its official CMS short descriptor is "Ablate atria x10sv endo". In the ASC context it is grouped under Excluded from ASC Pay (Add. EE).
Is CPT 33266 payable in an ambulatory surgery center (ASC)?
CPT 33266 is on CMS Addendum EE, the list of procedures excluded from ASC payment. Medicare does not pay for it in the ASC setting; it is typically performed in a hospital outpatient department (HOPD) or office instead.
Where is CPT 33266 typically performed?
Hospital outpatient department (POS 22) or office (POS 11). Not separately payable in an ASC.
Which specialties use CPT 33266?
CPT 33266 is most associated with General Surgery.
Reference information compiled from the CMS April 2026 ASC payment addenda (AA, BB, EE). Codes, descriptors, and ASC payment status change with each CMS update. This is a coding reference, not billing, coding, or legal advice. Always verify against the current CMS addenda and individual payer policy before billing. CPT is a registered trademark of the American Medical Association.