All ASC CPT codes
Excluded from ASC Pay (Add. EE) · CPT/HCPCS (Add. EE)

CPT 00561

Anesth heart surg <1 yr

CPT 00561 at a glance

Code
00561
Code type
CPT/HCPCS (Add. EE)
Short descriptor
Anesth heart surg <1 yr
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 00561?

CPT 00561 is a CPT/HCPCS (Add. EE) procedure code. Its official CMS short descriptor is "Anesth heart surg <1 yr". In the ASC context it is grouped under Excluded from ASC Pay (Add. EE).

Is CPT 00561 payable in an ambulatory surgery center (ASC)?

CPT 00561 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 00561 typically performed?

Hospital outpatient department (POS 22) or office (POS 11). Not separately payable in an ASC.

Which specialties use CPT 00561?

CPT 00561 is most associated with Anesthesiologist Assistant, Anesthesiology, CRNA (Nurse Anesthetist).

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.

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