All ASC CPT codes
ASC Surgical · CPT/HCPCS

CPT 21315

Clsd tx nsl fx mnpj wo stblj

CPT 21315 at a glance

Code
21315
Code type
CPT/HCPCS
Short descriptor
Clsd tx nsl fx mnpj wo stblj
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 21315?

CPT 21315 is a CPT/HCPCS procedure code. Its official CMS short descriptor is "Clsd tx nsl fx mnpj wo stblj". In the ASC context it is grouped under ASC Surgical.

Is CPT 21315 payable in an ambulatory surgery center (ASC)?

CPT 21315 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 21315 typically performed?

Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).

Which specialties use CPT 21315?

CPT 21315 is most associated with General Surgery, Oral & Maxillofacial Surgery, 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.

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