---
title: "HCPCS G0121: Colorectal cancer screening; colonoscopy on… | BillingBrief"
description: "HCPCS code G0121: Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk. Category, related codes, and the official…"
canonical: "https://billingbrief.com/hcpcs/g0121/"
language: "en"
---

# G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk

HCPCS · [CMS code reference](#source)

**Official HCPCS description:** Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk

## Related codes

-   [`G0101` Cervical or vaginal cancer screening; pelvic and clinical breast examination HCPCS](https://billingbrief.com/hcpcs/g0101/)
-   [`G0102` Prostate cancer screening; digital rectal examination HCPCS](https://billingbrief.com/hcpcs/g0102/)
-   [`G0103` Prostate cancer screening; prostate specific antigen test (psa) HCPCS](https://billingbrief.com/hcpcs/g0103/)
-   [`G0104` Colorectal cancer screening; flexible sigmoidoscopy HCPCS](https://billingbrief.com/hcpcs/g0104/)
-   [`G0105` Colorectal cancer screening; colonoscopy on individual at high risk HCPCS](https://billingbrief.com/hcpcs/g0105/)
-   [`G0136` Administration of a standardized, evidence-based assessment of physical activity and… HCPCS](https://billingbrief.com/hcpcs/g0136/)

## From the source

Official description from [CMS](https://www.cms.gov/medicare/coding-billing/healthcare-common-procedure-system).
HCPCS Level II, October 2026 quarterly file.

Code set

HCPCS

Short name

Colon ca scrn not hi rsk ind

Section

Procedures and professional services (temporary)

Added to HCPCS

1998-01-01

Educational reference only. Not medical, legal, or billing advice. Always check the current official code set and payer policy before you bill. [About BillingBrief and our sources](https://billingbrief.com/about/).