G9933 HCPCS Level II code: Adenoma(s) or colorectal cancer detected during screening colonoscopy
CMS terminated G9933: its last date of service was Dec 31, 2020. It stays here for looking up older claims; newer services need a current code.
Official description
G9933Adenoma(s) or colorectal cancer detected during screening colonoscopy
Short description: Canc detectd during col scrn
HCPCS · United States
Medicare details
The indicators CMS publishes with G9933 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Medicare pricing
- Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)
- Type of service
- Medical care
- BETOS category
- Undefined codes
- Added
- Jan 1, 2018
- Terminated after
- Dec 31, 2020
Where G9933 sits
- 1G codesProcedures and professional services
- 2Terminated G9933Adenoma(s) or colorectal cancer detected during screening colonoscopy
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
Is HCPCS code G9933 still valid?
No. CMS terminated G9933; its last date of service was Dec 31, 2020. It is listed for looking up services from before then. Use a current code for newer services.
Does Medicare cover G9933?
CMS lists G9933’s Medicare coverage as “Carrier judgment” and its pricing as “Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside G9933
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