Endoscopy

G0121 - RVUs & Medicare payment (2026)

Screening colonoscopy, not high risk (Medicare).

Component	Non-facility	Facility
Work RVU	3.18	3.18
Practice expense RVU	7.73	1.34
Malpractice RVU	0.42	0.42
Total RVUs	11.33	4.94
National payment (CF $33.4009)	$378.43	$165.00
Qualifying APM payment (CF $33.5675)	$380.32	$165.82

How G0121 payment varies by locality

Medicare adjusts payment with geographic practice cost indices, so the same code pays differently across the 109 fee schedule localities. In 2026, non-facility payment for G0121 ranges from $335.22 in Arkansas (AR) to $497.73 in San Jose-Sunnyvale-Santa Clara (CA); calculate G0121 for your locality.

San Jose-Sunnyvale-Santa Clara (CA) $497.73 San Jose-Sunnyvale-Santa Clara (CA) $495.78 San Francisco-Oakland-Berkeley (CA) $486.79 San Francisco-Oakland-Berkeley (CA) $486.31 Napa (CA) $460.33 Vallejo (CA) $459.64 NYC Suburbs/Long Island (NY) $446.05 Alaska (AK) $442.02 National average $378.43 … 97 more localities between … Rest Of Missouri (MO) $342.44 Alabama (AL) $340.07 Mississippi (MS) $338.88 Arkansas (AR) $335.22

Non-facility payment for G0121 in the 2026 fee schedule ($33.4009 conversion factor), before sequestration. Gray bar = national average.

Global period: 000

Same-day global period: related visits on the day of the procedure are included in the payment.

Related codes - endoscopy

43239 · upper gi endoscopy with biopsy
45378 · colonoscopy, diagnostic
45380 · colonoscopy with biopsy
45385 · colonoscopy with snare polypectomy
G0105 · screening colonoscopy, high risk (medicare)
52000 · cystourethroscopy, diagnostic

Frequently asked questions

How much does Medicare pay for G0121 in 2026?

The national non-facility payment is $378.43 and the facility payment is $165.00, using the standard $33.4009 conversion factor. Actual amounts vary by Medicare locality; use the RVU calculator for your area.

What is the work RVU for G0121?

The 2026 work RVU for G0121 is 3.18. Total RVUs are 11.33 in the non-facility setting and 4.94 in the facility setting.

Why are the facility and non-facility amounts different?

Only the practice expense component changes by setting. In an office (non-facility) the practice bears the overhead, so the PE RVU is higher; in a hospital or ASC the facility bills its own overhead separately.

Source: CMS Physician Fee Schedule relative value file (rvu26c.zip, retrieved 2026-07-11). Service description is an original plain-English summary, not CPT descriptor text. CPT® is a registered trademark of the American Medical Association. Amounts are estimates before sequestration and claim-level adjustments.