CPT 26478
Lengthening of hand tendon
CPT 26478 at a glance
- Code
- 26478
- Code type
- CPT/HCPCS
- Short descriptor
- Lengthening of hand tendon
- Category
- ASC Surgical
- ASC payment status
- Payable in an ASC (surgical)
- CMS addendum
- AA (Surgical)
- Typical setting
- Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
What is CPT code 26478?
CPT 26478 is a CPT/HCPCS procedure code. Its official CMS short descriptor is "Lengthening of hand tendon". In the ASC context it is grouped under ASC Surgical.
Is CPT 26478 payable in an ambulatory surgery center (ASC)?
CPT 26478 appears on Medicare's ASC Covered Procedures List (CMS Addendum AA), so Medicare reimburses it when the surgery is performed in a certified ambulatory surgery center.
Where is CPT 26478 typically performed?
Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
Which specialties use CPT 26478?
CPT 26478 is most associated with General Surgery, Ortho – Hand, Orthopaedic Surgery.
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.