G0122 HCPCS Level II Code: Colorectal cancer screening; barium enema
Medicare Coverage & Payment
- CMS short descriptor: Colon ca scrn; barium enema
- Medicare coverage: Non-covered by Medicare (CMS coverage code M)
- Payment category: Service not separately priced (pricing indicator 00)
- BETOS: I1D — Standard imaging - contrast gastrointestinal
- Last CMS action effective: January 1, 2025
- Terminated: December 31, 2024
Source: CMS HCPCS Level II release. Coverage codes indicate how Medicare treats the code, not whether a specific claim will be paid; payer policy and documentation still govern.
Code Set: Removed from the code set — not valid on or after January 1, 2025.
Contextual Map
Every relationship of G0122 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
Nearest codes (40)
- G0101 — Cervical or vaginal cancer screening; pelvic and clinical breast examination[Sibling]— CMS HCPCS Level II code set
- G0102 — Prostate cancer screening; digital rectal examination[Sibling]— CMS HCPCS Level II code set
- G0103 — Prostate cancer screening; prostate specific antigen test (psa)[Sibling]— CMS HCPCS Level II code set
- G0104 — Colorectal cancer screening; flexible sigmoidoscopy[Sibling]— CMS HCPCS Level II code set
- G0105 — Colorectal cancer screening; colonoscopy on individual at high risk[Sibling]— CMS HCPCS Level II code set
- G0106 — Colorectal cancer screening; alternative to g0104, screening sigmoidoscopy, barium enema[Sibling]— CMS HCPCS Level II code set
- G0108 — Diabetes outpatient self-management training services, individual, per 30 minutes[Sibling]— CMS HCPCS Level II code set
- G0109 — Diabetes outpatient self-management training services, group session (2 or more), per 30 minutes[Sibling]— CMS HCPCS Level II code set
- and 32 more
Change history (2)
- January 1, 2025 — Removed from the code set [Change history]— CMS release files (code change ledger)
- and 1 more
Sources for this page
Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.
- Code, descriptors, coverage and pricing attributes Official source data
- CMS HCPCS Alpha-Numeric (ANWEB) release — July 2026 quarterly update Release, file and checksum · Publisher’s page
- Change history and date-of-service validity Official source data
- CMS HCPCS quarterly update files, ingested into the change ledger Release, file and checksum · Publisher’s page
- Comparisons, relationships and the contextual map MedCoder structured relationship
- Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears
- Summary and FAQ answers MedCoder explanation
- Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.
Labels on this page: Official source data · MedCoder structured relationship · MedCoder explanation. How to read the labels · All data sources and release dates
Change history
- January 1, 2025Removed from the code setColorectal cancer screening; barium enema
- January 1, 1998Added to the code setColorectal cancer screening; barium enema
Nearest Codes in This Family
Official HCPCS Level II classifications closest to G0122 in its code family, with their registry titles.
- 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…