CPT 33866
Aortic hemiarch graft
Last reviewed August 2026 · DataLily AI data team
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CPT 33866 at a glance
- Code
- 33866
- Code type
- CPT/HCPCS
- Short descriptor
- Aortic hemiarch graft
- Category
- ASC Surgical
- ASC eligibility
- ASC-eligible (surgical)
- Typical setting
- Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
What is CPT code 33866?
CPT 33866 is a CPT/HCPCS procedure code for aortic hemiarch graft. Its official short descriptor is "Aortic hemiarch graft". In the ASC context it is grouped under ASC Surgical.
Is CPT 33866 eligible in an ambulatory surgery center (ASC)?
CPT 33866 can be performed in a certified ambulatory surgery center.
Where is CPT 33866 typically performed?
Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
Which specialties use CPT 33866?
CPT 33866 is most associated with General Surgery.
Reference information about ASC eligibility and typical procedure setting. Codes, descriptors, and ASC-eligibility status change over time. This is a coding reference, not billing, coding, or legal advice. Always verify against current guidance and individual payer policy before scheduling or billing. CPT is a registered trademark of the American Medical Association. Read the DataLily AI data methodology.