CPT 0659T
Tcat intra-c nfs supersat o2
CPT 0659T at a glance
- Code
- 0659T
- Code type
- CPT/HCPCS (Add. EE)
- Short descriptor
- Tcat intra-c nfs supersat o2
- 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 0659T?
CPT 0659T is a CPT/HCPCS (Add. EE) procedure code. Its official CMS short descriptor is "Tcat intra-c nfs supersat o2". In the ASC context it is grouped under Excluded from ASC Pay (Add. EE).
Is CPT 0659T payable in an ambulatory surgery center (ASC)?
CPT 0659T 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 0659T typically performed?
Hospital outpatient department (POS 22) or office (POS 11). Not separately payable in an ASC.
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.