All ASC CPT codes
ASC Surgical · CPT/HCPCS

CPT 12021

Tx supfc wnd dehsn w/packing

CPT 12021 at a glance

Code
12021
Code type
CPT/HCPCS
Short descriptor
Tx supfc wnd dehsn w/packing
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 12021?

CPT 12021 is a CPT/HCPCS procedure code. Its official CMS short descriptor is "Tx supfc wnd dehsn w/packing". In the ASC context it is grouped under ASC Surgical.

Is CPT 12021 payable in an ambulatory surgery center (ASC)?

CPT 12021 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 12021 typically performed?

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

Which specialties use CPT 12021?

CPT 12021 is most associated with General Surgery, Plastic Surgery.

Specialties that use this code

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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