G0122 HCPCS code: Colorectal cancer screening; barium enema
G0122 is the HCPCS Level II code for colorectal cancer screening; barium enema. CMS terminated G0122 on 2024-12-31; do not bill it for later dates of service. Its Medicare coverage code is M (Non-covered by Medicare): Medicare does not cover this item or service.
Code details
| Field | Value |
|---|---|
| Section | G codes — Procedures and professional services (temporary) |
| Coverage code | M — Non-covered by Medicare |
| Pricing indicator | 00 — Not separately priced by Medicare |
| BETOS category | I1D |
| Added | 1998-01-01 |
| Last action effective | 2025-01-01 |
| Terminated | 2024-12-31 |
What changed for G0122
- 1998-01-01: G0122 added to HCPCS Level II
- Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01
Frequently asked questions
What is HCPCS code G0122?
G0122 is the HCPCS Level II code for colorectal cancer screening; barium enema. Short descriptor: "Colon ca scrn; barium enema".
Does Medicare cover G0122?
Coverage code M — Non-covered by Medicare. Medicare does not cover this item or service.
Related G01 codes
- G0101 — Cervical or vaginal cancer screening; pelvic and clinical breast examination
- G0102 — Prostate cancer screening; digital rectal examination
- 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
- G0120 — Colorectal cancer screening; alternative to g0105, screening colonoscopy, barium enema.
- G0121 — Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk
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Next steps
- Run a reimbursement report for a device billed under G0122
- Watch G0122 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for G0122
Sources: CMS HCPCS Level II release October 2025; CMS DMEPOS fee schedule; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.