HCPCS C9779
Esd endoscopy or colonoscopy
HCPCS C9779 at a glance
- Code
- C9779
- Code type
- CPT/HCPCS
- Short descriptor
- Esd endoscopy or colonoscopy
- 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 HCPCS code C9779?
HCPCS C9779 is a CPT/HCPCS procedure code. Its official CMS short descriptor is "Esd endoscopy or colonoscopy". In the ASC context it is grouped under ASC Surgical.
Is HCPCS C9779 payable in an ambulatory surgery center (ASC)?
HCPCS C9779 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 HCPCS C9779 typically performed?
Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
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.