HCPCS C9777
Esophag muc integ w/eso egd
HCPCS C9777 at a glance
- Code
- C9777
- Code type
- CPT/HCPCS
- Short descriptor
- Esophag muc integ w/eso egd
- 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 C9777?
HCPCS C9777 is a CPT/HCPCS procedure code. Its official CMS short descriptor is "Esophag muc integ w/eso egd". In the ASC context it is grouped under ASC Surgical.
Is HCPCS C9777 payable in an ambulatory surgery center (ASC)?
HCPCS C9777 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 C9777 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.