G0120 HCPCS Level II code: Colorectal cancer screening; alternative to g0105, screening colonoscopy, barium enema.
CMS terminated G0120: its last date of service was Dec 31, 2024. It stays here for looking up older claims; newer services need a current code.
Official description
G0120Colorectal cancer screening; alternative to g0105, screening colonoscopy, barium enema.
Short description: Colon ca scrn; barium enema
HCPCS · United States
Notes for G0120
As CMS prints them, with any note G0120 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 G0120 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
- Type of service
- Diagnostic radiology
- BETOS category
- Standard imaging - contrast gastrointestinal
- Added
- Jan 1, 1998
- Terminated after
- Dec 31, 2024
Where G0120 sits
- 1G codesProcedures and professional services
- 2Terminated G0120Colorectal cancer screening; alternative to g0105, screening colonoscopy, barium enema.
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 G0120 still valid?
No. CMS terminated G0120; its last date of service was Dec 31, 2024. It is listed for looking up services from before then. Use a current code for newer services.
Does Medicare cover G0120?
CMS lists G0120’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 G0120
All G codesG0105Colorectal 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 ophthalmologistG0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high riskG0122Colorectal cancer screening; barium enemaG0123Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, screening by cytotechnologist under…G0124Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, requiring interpretation by physicianG0127Trimming of dystrophic nails, any numberG0128Direct (face-to-face with patient) skilled nursing services of a registered nurse provided in a comprehensive outpatient rehabilitation facility, each 10 minutes beyond the first…