All ASC CPT codes
ASC Surgical · CPT/HCPCS

CPT 41821

Excision of gum flap

CPT 41821 at a glance

Code
41821
Code type
CPT/HCPCS
Short descriptor
Excision of gum flap
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 41821?

CPT 41821 is a CPT/HCPCS procedure code. Its official CMS short descriptor is "Excision of gum flap". In the ASC context it is grouped under ASC Surgical.

Is CPT 41821 payable in an ambulatory surgery center (ASC)?

CPT 41821 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 41821 typically performed?

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

Which specialties use CPT 41821?

CPT 41821 is most associated with General Surgery, Oral & Maxillofacial 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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