CPT 33478
Revision of heart chamber
Last reviewed August 2026 · DataLily AI data team
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CPT 33478 at a glance
- Code
- 33478
- Code type
- CPT/HCPCS
- Short descriptor
- Revision of heart chamber
- Category
- Not typically performed in an ASC
- ASC eligibility
- Not typically performed in an ASC
- Typical setting
- Hospital outpatient department (POS 22) or office (POS 11). Not typically performed in an ASC.
What is CPT code 33478?
CPT 33478 is a CPT/HCPCS procedure code for revision of heart chamber. Its official short descriptor is "Revision of heart chamber". In the ASC context it is grouped under Not typically performed in an ASC.
Is CPT 33478 eligible in an ambulatory surgery center (ASC)?
CPT 33478 is not typically performed in an ambulatory surgery center; it is usually done in a hospital outpatient department (HOPD) or office instead.
Where is CPT 33478 typically performed?
Hospital outpatient department (POS 22) or office (POS 11). Not typically performed in an ASC.
Which specialties use CPT 33478?
CPT 33478 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.