G0122 – Colorectal cancer screening; barium enema
HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)
HCPCS codeG0122
- Long description
- Colorectal cancer screening; barium enema
- Short description
- Colon ca scrn; barium enema
- Pricing indicator
00Not separately priced by Part B (bundled, not covered or Part A only)- Medicare coverage
MNon-covered by Medicare- 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 G0122?
G0122 is a HCPCS Level II code for colorectal cancer screening; barium enema. It was discontinued on December 31, 2024.
Does Medicare cover G0122?
The HCPCS file lists coverage code M: Non-covered by Medicare. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby G codes
- 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
- G0120 – Colorectal cancer screening; alternative to g0105, screening colonoscopy, barium enema.
- G0121 – Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk
- 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)
- G0136 – Administration of a standardized, evidence-based assessment of physical activity and nutrition, 5-15 minutes, not more often than every 6 months
- G0137 – Intensive outpatient services; weekly bundle, minimum of 9 services over a 7 contiguous day period, which can include individual and group therapy with physicians or psychologists (or other mental health professionals to the extent authorized under state law); occupational therapy requiring the skills of a qualified occupational therapist; services of social workers, trained psychiatric nurses, and other staff trained to work with psychiatric patients; individualized activity therapies that are not primarily recreational or diversionary; family counseling (the primary purpose of which is treatment of the individual's condition); patient training and education (to the extent that training and educational activities are closely and clearly related to individual's care and treatment); diagnostic services; and such other items and services (excluding meals and transportation) that are reasonable and necessary for the diagnosis or active treatment of the individual's condition, reasonably expected to improve or maintain the individual's condition and functional level and to prevent relapse or hospitalization, and furnished pursuant to such guidelines relating to frequency and duration of services in accordance with a physician certification and plan of treatment (provision of the services by a medicare-enrolled opioid treatment program); list separately in addition to code for primary procedure
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.