G0104 – Colorectal cancer screening; flexible sigmoidoscopy

HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)

Active code Special coverage instructions apply

HCPCS codeG0104
Long description
Colorectal cancer screening; flexible sigmoidoscopy
Short description
Ca screen;flexi sigmoidscope
Pricing indicator
11 Priced using national RVUs (Physician Fee Schedule)
Medicare coverage
D Special coverage instructions apply
BETOS category
P8C Endoscopy - sigmoidoscopy
ASC
Approved for ambulatory surgical centers
Added
January 1, 1998
Last change
January 1, 1998 – No change

Frequently asked questions

What is HCPCS code G0104?

G0104 is a HCPCS Level II code for colorectal cancer screening; flexible sigmoidoscopy.

Does Medicare cover G0104?

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

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.