CPT 33947
ECMO/ECLS initiation artery
Last reviewed August 2026 · DataLily AI data team
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CPT 33947 at a glance
- Code
- 33947
- Code type
- CPT/HCPCS
- Short descriptor
- Ecmo/ecls initiation artery
- 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 33947?
CPT 33947 is a CPT/HCPCS procedure code for ECMO/ECLS initiation artery. Its official short descriptor is "Ecmo/ecls initiation artery". In the ASC context it is grouped under Not typically performed in an ASC.
Is CPT 33947 eligible in an ambulatory surgery center (ASC)?
CPT 33947 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 33947 typically performed?
Hospital outpatient department (POS 22) or office (POS 11). Not typically performed in an ASC.
Which specialties use CPT 33947?
CPT 33947 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.