G0120 – Colorectal cancer screening; alternative to g0105, screening colonoscopy, barium enema.
HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)
HCPCS codeG0120
- Long description
- Colorectal cancer screening; alternative to g0105, screening colonoscopy, barium enema.
- Short description
- Colon ca scrn; barium enema
- Pricing indicator
11Priced using national RVUs (Physician Fee Schedule)- Medicare coverage
DSpecial coverage instructions apply- BETOS category
I1DStandard imaging - contrast gastrointestinal- Added
- January 1, 1998
- Last change
- January 1, 2025 – No change
- Termination date
- December 31, 2024
Frequently asked questions
What is HCPCS code G0120?
G0120 is a HCPCS Level II code for colorectal cancer screening; alternative to g0105, screening colonoscopy, barium enema.. It was discontinued on December 31, 2024.
Does Medicare cover G0120?
The HCPCS file lists coverage code D: Special coverage instructions apply. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby G codes
- G0103 – Prostate cancer screening; prostate specific antigen test (psa)
- G0104 – Colorectal cancer screening; flexible sigmoidoscopy
- G0105 – Colorectal cancer screening; colonoscopy on individual at high risk
- G0106 – Colorectal cancer screening; alternative to g0104, screening sigmoidoscopy, barium enema
- G0108 – Diabetes outpatient self-management training services, individual, per 30 minutes
- G0109 – Diabetes outpatient self-management training services, group session (2 or more), per 30 minutes
- G0117 – Glaucoma screening for high risk patients furnished by an optometrist or ophthalmologist
- G0118 – Glaucoma screening for high risk patient furnished under the direct supervision of an optometrist or ophthalmologist
- G0121 – Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk
- G0122 – Colorectal cancer screening; barium enema
- G0123 – Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, screening by cytotechnologist under physician supervision
- G0124 – Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, requiring interpretation by physician
- G0127 – Trimming of dystrophic nails, any number
- G0128 – Direct (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 5 minutes
- G0129 – Occupational therapy services requiring the skills of a qualified occupational therapist, furnished as a component of a partial hospitalization or intensive outpatient treatment program, per session (45 minutes or more)
- G0130 – Single energy x-ray absorptiometry (sexa) bone density study, one or more sites; appendicular skeleton (peripheral) (e.g., radius, wrist, heel)
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.