All ASC CPT codes
ASC Surgical · CPT/HCPCS

CPT 44403

Colonoscopy w/resection

CPT 44403 at a glance

Code
44403
Code type
CPT/HCPCS
Short descriptor
Colonoscopy w/resection
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 44403?

CPT 44403 is a CPT/HCPCS procedure code. Its official CMS short descriptor is "Colonoscopy w/resection". In the ASC context it is grouped under ASC Surgical.

Is CPT 44403 payable in an ambulatory surgery center (ASC)?

CPT 44403 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 44403 typically performed?

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

Which specialties use CPT 44403?

CPT 44403 is most associated with Gastroenterology, General 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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