All ASC CPT codes
ASC Surgical · CPT/HCPCS

CPT 20100

Expl pentrg wound neck

CPT 20100 at a glance

Code
20100
Code type
CPT/HCPCS
Short descriptor
Expl pentrg wound neck
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 20100?

CPT 20100 is a CPT/HCPCS procedure code. Its official CMS short descriptor is "Expl pentrg wound neck". In the ASC context it is grouped under ASC Surgical.

Is CPT 20100 payable in an ambulatory surgery center (ASC)?

CPT 20100 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 20100 typically performed?

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

Which specialties use CPT 20100?

CPT 20100 is most associated with General Surgery, Orthopaedic 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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