G0104 HCPCS Level II code: Colorectal cancer screening; flexible sigmoidoscopy
G0104 is the HCPCS code for “Colorectal cancer screening; flexible sigmoidoscopy” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
G0104Colorectal cancer screening; flexible sigmoidoscopy
Short description: Ca screen;flexi sigmoidscope
HCPCS · United States
Notes for G0104
As CMS prints them, with any note G0104 takes from the headings above it.
Note
- CMS processing note 0064: COVERAGE AND PAYMENT BASED ON BALANCED BUDGET ACT OF 1997 (G0101 - SEC 4102; G0104, G0105, G0106, G0107, G0120, G0121, G0122, G0128 - SEC 4104).
Medicare details
The indicators CMS publishes with G0104 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Special coverage instructions apply
- Medicare pricing
- Physician fee schedule – Price established using national RVUs
- ASC
- Approved for ambulatory surgical centers
- Type of service
- Surgery
- BETOS category
- Endoscopy - sigmoidoscopy
- Added
- Jan 1, 1998
Where G0104 sits
- 1G codesProcedures and professional services
- 2Active code G0104Colorectal cancer screening; flexible sigmoidoscopy
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
What does HCPCS code G0104 mean?
G0104 is the HCPCS code for “Colorectal cancer screening; flexible sigmoidoscopy” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover G0104?
CMS lists G0104’s Medicare coverage as “Special coverage instructions apply” and its pricing as “Physician fee schedule – Price established using national RVUs”. 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 G0104
All G codesG0088Professional services, initial visit, for the administration of anti-infective, pain management, chelation, pulmonary hypertension, inotropic, or other intravenous infusion drug…G0089Professional services, initial visit, for the administration of subcutaneous immunotherapy or other subcutaneous infusion drug or biological for each infusion drug administration…G0090Professional services, initial visit, for the administration of intravenous chemotherapy or other highly complex infusion drug or biological for each infusion drug administration…G0101Cervical or vaginal cancer screening; pelvic and clinical breast examinationG0102Prostate cancer screening; digital rectal examinationG0103Prostate cancer screening; prostate specific antigen test (psa)G0105Colorectal cancer screening; colonoscopy on individual at high riskG0106Colorectal cancer screening; alternative to g0104, screening sigmoidoscopy, barium enemaG0108Diabetes outpatient self-management training services, individual, per 30 minutesG0109Diabetes outpatient self-management training services, group session (2 or more), per 30 minutesG0117Glaucoma screening for high risk patients furnished by an optometrist or ophthalmologistG0118Glaucoma screening for high risk patient furnished under the direct supervision of an optometrist or ophthalmologist