CPT 46604
Anoscopy and dilation
CPT 46604 at a glance
- Code
- 46604
- Code type
- CPT/HCPCS
- Short descriptor
- Anoscopy and dilation
- Category
- ASC Surgical
- ASC eligibility
- ASC-eligible (surgical)
- Typical setting
- Ambulatory surgery center (POS 24); also commonly performed in an office or clinic (POS 11).
- Medicare ASC rate
- $655.24 national · 2026Q2
What is CPT code 46604?
CPT 46604 is a CPT/HCPCS procedure code. Its official short descriptor is "Anoscopy and dilation". In the ASC context it is grouped under ASC Surgical.
Is CPT 46604 eligible in an ambulatory surgery center (ASC)?
CPT 46604 can be performed in a certified ambulatory surgery center.
Where is CPT 46604 typically performed?
Ambulatory surgery center (POS 24); also commonly performed in an office or clinic (POS 11).
What is the Medicare ASC payment rate for CPT 46604?
The national Medicare ASC payment rate for CPT 46604 is $655.24 (CMS ASC Payment System, 2026Q2). This is the national, unadjusted amount published by CMS; the amount an individual ambulatory surgery center is paid is adjusted for local wage index and may differ. It reflects Medicare's facility payment only and does not include the surgeon's professional fee.
Which specialties use CPT 46604?
CPT 46604 is most associated with General Surgery.
Reference information about ASC eligibility and typical procedure setting. Codes, descriptors, and ASC-eligibility status change over time. This is a coding reference, not billing, coding, or legal advice. Always verify against current guidance and individual payer policy before scheduling or billing. CPT is a registered trademark of the American Medical Association.