FeeBase
Log inGet started
Menu

HCPCS code G0121: Screening colonoscopy, not high risk2026 Medicare rate & RVUs in Utah

Report G0121 for a colorectal cancer screening colonoscopy performed for an individual who is not classified as high risk.

CMS RVU26DEffective Oct 1, 2026One payment locality301.6K Medicare services in 2024

In Utah, Medicare pays $361.51 for G0121 in the office and $160.88 when it’s performed in a hospital or facility.

$361.51Office (non-facility)
$160.88Hospital or facility
−4.5%vs the national office rate ($378.43)

Check a contract rate as a % of Medicare · G0121 nationwide

Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.

We’ll open G0121 for the payment locality that covers the ZIP.

On this page 11 sections
  1. Rate in Utah
  2. What G0121 covers
  3. Compared with other areas
  4. Rate map
  5. How it’s calculated
  6. Payment rules
  7. Related codes
  8. Rate history
  9. Where it applies
  10. Billing questions
  11. Sources

What G0121 covers

G0121 represents a colonoscopy performed for colorectal cancer screening when the patient is not classified as high risk. A gastroenterologist, surgeon, or other qualified practitioner advances a colonoscope through the large bowel to examine the colon for abnormalities. The service may be performed in a physician office or a facility, such as an ambulatory surgery center or hospital outpatient department.

Select G0121 based on the screening indication and the patient’s risk classification, not simply because a colonoscopy occurred. The record should support screening intent and include the procedure findings and extent of examination. CMS assigns a 0-day global period, so same-day preoperative and postoperative care is included. Modifier 53 has separate pricing treatment. When multiple procedures occur in one session, the highest-valued procedure is paid in full and others at 50%. Do not report modifier 50; assistant-at-surgery payment is restricted, and co-surgeons and team surgery are not permitted.

This summary was written with AI assistance from CMS physician fee schedule data and checked against the CMS billing rules shown here. Rates on this page come directly from CMS files.

How Utah compares for G0121

Across 109 of 109 payment localities, the office rate for G0121 runs from $335.22 in Arkansas to $497.73 in San Benito County, CA. Utah pays $361.51. The RVUs are the same everywhere; the geographic indexes change the dollars.

G0121 in Utah vs other payment areas
  1. Utah · this page$361.51
  2. Los Angeles, CA · California$425.32+$63.81
  3. Washington, DC area · District of Columbia$431.71+$70.20
  4. Miami, FL · Florida$410.47+$48.96
  5. Chicago, IL · Illinois$398.63+$37.12
  6. Manhattan, NY · New York$435.28+$73.77
  7. Alaska · Alaska$442.02+$80.51

Other areas in Utah first, then benchmark localities. Bars start at $0.

Every other payment area

G0121 in every other Medicare payment locality
Payment localityOfficeFacility
AlabamaAlabama$340.07$153.32
ArkansasArkansas$335.22$151.89
ArizonaArizona$368.41$161.59
Bakersfield, CACalifornia$399.75$165.83
Chico, CACalifornia$398.51$164.59
El Centro, CACalifornia$398.58$164.66
Fresno, CACalifornia$398.51$164.59
Hanford, CACalifornia$398.51$164.59

G0121 rates by state

Office rate range in each state. Select a state to see its payment localities.

MEWIVTNHMTNDMNMINYMARIWAIDWYSDIAILINOHPANJCTORNVUTCONEMOKYWVVAMDDECAAZNMKSOKARTNNCSCDCTXLAMSALGAFLAKHI

Explore a state

Local rates. Clear comparisons.

Hover or focus a tile to see its rate range. Select it to open the state’s fee schedule.

$335.22

$448.12

Color shows the midpoint of each state’s locality range.

View every state and territory as a table
G0121 office rate range by state
State / territoryOffice rate rangeLocalities
AK$442.021
AL$340.071
AR$335.221
AZ$368.411
CA$398.51–$497.7329
CO$393.161
CT$403.381
DC$431.711
DE$374.451
FL$374.13–$410.473
GA$353.24–$385.702
GU$407.901
HI$407.901
IA$348.031
ID$350.381
IL$363.87–$398.634
IN$352.371
KS$346.691
KY$348.581
LA$348.15–$365.112
MA$390.97–$431.332
MD$381.44–$431.713
ME$352.47–$370.932
MI$357.78–$379.022
MN$376.041
MO$342.44–$366.073
MS$338.881
MT$378.401
NC$356.071
ND$370.101
NE$349.831
NH$387.261
NJ$407.79–$427.392
NM$359.821
NV$376.351
NY$361.36–$446.055
OH$356.081
OK$347.681
OR$373.23–$405.202
PA$356.49–$393.642
PR$381.061
RI$387.461
SC$356.711
SD$369.121
TN$348.441
TX$354.20–$392.028
UT$361.511
VA$369.92–$431.712
VI$381.061
VT$368.921
WA$390.14–$439.782
WI$357.881
WV$350.661
WY$374.781

See G0121 in every payment locality

How the G0121 rate is calculated

Each of G0121’s three RVUs is multiplied by a geographic index (GPCI) for the payment locality, added up, and multiplied by the conversion factor. Drag the indexes or enter a ZIP to see what moves the rate.

How the rate is built · G0121

RVUs × geographic indexes × conversion factor

Office or facility?

Work3.18

3.18 RVUs× 1.000 GPCI

Practice expense7.73

7.73 RVUs× 1.000 GPCI

Malpractice0.42

0.42 RVUs× 1.000 GPCI

Adjusted RVUs

11.3300

Conversion factor

$33.4009

Medicare rate

$378.43

Every GPCI starts at 1.000, the national rate. Enter a ZIP or drag a slider.

The exact Utah inputs and CMS source lines

PPRRVU2026_Oct_nonQPP.csv

15,093

Code
G0121
Physician work
3.18
Practice expense
7.73
Malpractice
0.42

GPCI2026.csv

104

Locality
Utah
Physician work
1.000
Practice expense
0.940
Malpractice
0.898
Office calculation for G0121 in Utah
ComponentRVULocality factorAdjusted
Physician work3.18× 1.0003.1800
Practice expense7.73× 0.9407.2662
Malpractice0.42× 0.8980.3772
Total RVUs10.8234
Conversion factor× 33.4009

Office rate, Utah$361.51

Office: (3.18 × 1 + 7.73 × 0.94 + 0.42 × 0.898) × $33.4009 = $361.51

Facility: (3.18 × 1 + 1.34 × 0.94 + 0.42 × 0.898) × $33.4009 = $160.88

Open G0121 in the RVU calculator

Payment rules and modifiers for G0121

The CMS indicators that decide how G0121 is paid alongside other services.

CMS payment indicators · G0121

Screening colonoscopy, not high risk

RuleCMS valueWhat it means
Global period000Same-day global: pre- and post-op care on the day of the procedure is included.
Multiple procedures2Standard reduction: highest-valued procedure at 100%, others at 50%.
Bilateral (modifier 50)0The 150% bilateral adjustment doesn’t apply.
Assistant at surgery (80/81/82/AS)1Not paid (statutory restriction).
Co-surgeons (62)0Not permitted.
Team surgery (66)0Not permitted.
Professional/technical0Physician service: no professional/technical split.

What modifiers do to the payment

Modifier 51 · payment effect

With and without the modifier

G0121 without 51 · national office

$378.43

Screening colonoscopy, not high risk

G0121-51 · Second procedure: 50%

$189.22

When this isn’t the highest-valued procedure in the session, Medicare pays 50% of its fee schedule amount (the highest is paid at 100%).

When to use modifier 51

Codes related to G0121

Related codes aren’t interchangeable: bill the code that matches the service performed.

Codes related to G0121
CodeHow it relatesOffice range, Utah
Same family
G0105Screening colonoscopy, high-risk individualScreening colonoscopy for an individual classified as high risk.$361.21
Used instead
G0104Flexible sigmoidoscopy, colorectal cancer screeningColorectal screening by flexible sigmoidoscopy rather than colonoscopy.$203.37
45378Colonoscopy, diagnostic, no tissue removalDiagnostic colonoscopy when the clinical indication is not screening.$361.21

How G0121 has changed in Utah

G0121 · Office / nonfacility

$361.51

Effective 2026-10-01

The base rate is $48.47 higher than on 2025-10-01, moving from $313.04 to $361.51 (15.5%).

It is unchanged from the immediately preceding available release, effective 2026-07-01.

Base rate by release · bars start at $0 · select a bar to compare

One bar per available release, ordered by effective date. Missing rates remain gaps. These comparisons hold the code, setting and locality identifiers constant; they do not isolate which policy or input caused a change.

What changed, release by release

  1. January 1, 2026

    RVU26A

    $313.04changed to$361.51

    • Conversion factor 32.3465 changed to 33.4009
    • Work RVU 3.26 changed to 3.18
    • Practice expense RVU 6.44 changed to 7.73
    • Malpractice RVU 0.44 changed to 0.42
    • Practice expense GPCI 0.933 changed to 0.940
    • Malpractice GPCI 0.930 changed to 0.898

    Held through RVU26B, RVU26C, RVU26D.

  2. January 1, 2025

    RVU25A

    $324.01changed to$313.04

    • Conversion factor 33.2875 changed to 32.3465
    • Practice expense RVU 6.51 changed to 6.44
    • Malpractice RVU 0.43 changed to 0.44

    Held through RVU25B, RVU25C, RVU25D.

  3. March 9, 2024

    RVU24AR

    $318.72changed to$324.01

    • Conversion factor 32.7442 changed to 33.2875

    Held through RVU24B, RVU24C, RVU24D.

  4. January 1, 2024

    RVU24A

    $327.36changed to$318.72

    • Conversion factor 33.8872 changed to 32.7442
    • Practice expense GPCI 0.926 changed to 0.933
    • Malpractice GPCI 0.865 changed to 0.930

  5. January 1, 2023

    RVU23A

    $335.96changed to$327.36

    • Conversion factor 34.6062 changed to 33.8872
    • Practice expense RVU 6.66 changed to 6.51
    • Malpractice RVU 0.41 changed to 0.43
    • Practice expense GPCI 0.919 changed to 0.926
    • Malpractice GPCI 0.799 changed to 0.865

    Held through RVU23B, RVU23C, RVU23D.

  6. January 1, 2022

    RVU22A

    $335.82changed to$335.96

    • Conversion factor 34.8931 changed to 34.6062
    • Practice expense RVU 6.56 changed to 6.66
    • Malpractice RVU 0.42 changed to 0.41

    Held through RVU22B, RVU22C, RVU22D.

  7. January 1, 2021

    RVU21A

    $324.07changed to$335.82

    • Conversion factor 36.0896 changed to 34.8931
    • Practice expense RVU 5.75 changed to 6.56
    • Practice expense GPCI 0.923 changed to 0.919
    • Malpractice GPCI 0.982 changed to 0.799

    Held through RVU21B, RVU21C, RVU21D.

  8. January 1, 2020

    RVU20A

    $319.21changed to$324.07

    • Conversion factor 36.0391 changed to 36.0896
    • Practice expense RVU 5.46 changed to 5.75
    • Malpractice RVU 0.46 changed to 0.42
    • Practice expense GPCI 0.927 changed to 0.923
    • Malpractice GPCI 1.165 changed to 0.982

    Held through RVU20B, RVU20C, RVU20D.

  9. January 1, 2019

    RVU19A

    $313.61changed to$319.21

    • Conversion factor 35.9996 changed to 36.0391
    • Practice expense RVU 5.29 changed to 5.46
    • Malpractice RVU 0.47 changed to 0.46

    Held through RVU19B, RVU19C, RVU19D.

  10. January 1, 2018

    RVU18AR1

    $311.30changed to$313.61

    • Conversion factor 35.8887 changed to 35.9996
    • Practice expense RVU 5.26 changed to 5.29
    • Practice expense GPCI 0.925 changed to 0.927
    • Malpractice GPCI 1.167 changed to 1.165

    Held through RVU18B, RVU18C, RVU18D.

  11. January 1, 2017

    RVU17A

    $369.16changed to$311.30

    • Conversion factor 35.8043 changed to 35.8887
    • Work RVU 3.36 changed to 3.26
    • Practice expense RVU 6.93 changed to 5.26
    • Malpractice RVU 0.48 changed to 0.47
    • Practice expense GPCI 0.922 changed to 0.925
    • Malpractice GPCI 1.169 changed to 1.167

    Held through RVU17B, RVU17C, RVU17D.

  12. January 1, 2016

    RVU16A

    $381.74changed to$369.16

    • Conversion factor 35.9335 changed to 35.8043
    • Work RVU 3.69 changed to 3.36
    • Practice expense RVU 6.81 changed to 6.93
    • Malpractice RVU 0.56 changed to 0.48

    Held through RVU16B, RVU16C, RVU16D.

  13. October 1, 2015

    RVU15D

    $369.88changed to$381.74

    • Work RVU 3.36 changed to 3.69

  14. July 1, 2015

    RVU15C

    $368.04changed to$369.88

    • Conversion factor 35.7547 changed to 35.9335

  15. January 1, 2015

    RVU15A

    $378.18changed to$368.04

    • Conversion factor 35.8228 changed to 35.7547
    • Work RVU 3.69 changed to 3.36
    • Practice expense RVU 6.78 changed to 6.81
    • Practice expense GPCI 0.919 changed to 0.922
    • Malpractice GPCI 1.136 changed to 1.169

    Held through RVU15B.

  16. January 1, 2014

    RVU14A

    $390.44changed to$378.18

    • Conversion factor 34.0230 changed to 35.8228
    • Practice expense RVU 7.79 changed to 6.78
    • Malpractice RVU 0.59 changed to 0.56
    • Practice expense GPCI 0.916 changed to 0.919
    • Malpractice GPCI 1.102 changed to 1.136

    Held through RVU14B, RVU14C, RVU14D.

  17. January 1, 2013

    RVU13AR

    Earliest loaded release: $390.44

    Held through RVU13B, RVU13C, RVU13D.

Rates in every CMS release
Effective fromOfficeFacilityCMS release
2026-10-01$361.51$160.88RVU26D
2026-07-01$361.51$160.88RVU26C
2026-04-01$361.51$160.88RVU26B
2026-01-01$361.51$160.88RVU26A
2025-10-01$313.04$172.71RVU25D
2025-07-01$313.04$172.71RVU25C
2025-04-01$313.04$172.71RVU25B
2025-01-01$313.04$172.71RVU25A
2024-10-01$324.01$176.80RVU24D
2024-07-01$324.01$176.80RVU24C
2024-04-01$324.01$176.80RVU24B
2024-03-09$324.01$176.80RVU24AR
2024-01-01$318.72$173.91RVU24A
2023-10-01$327.36$177.68RVU23D
2023-07-01$327.36$177.68RVU23C
2023-04-01$327.36$177.68RVU23B
2023-01-01$327.36$177.68RVU23A
2022-10-01$335.96$179.49RVU22D
2022-07-01$335.96$179.49RVU22C
2022-04-01$335.96$179.49RVU22B
2022-01-01$335.96$179.49RVU22A
2021-10-01$335.82$180.94RVU21D
2021-07-01$335.82$180.94RVU21C
2021-04-01$335.82$180.94RVU21B
2021-01-01$335.82$180.94RVU21A
2020-10-01$324.07$188.50RVU20D
2020-07-01$324.07$188.50RVU20C
2020-04-01$324.07$188.50RVU20B
2020-01-01$324.07$188.50RVU20A
2019-10-01$319.21$193.26RVU19D
2019-07-01$319.21$193.26RVU19C
2019-04-01$319.21$193.26RVU19B
2019-01-01$319.21$193.26RVU19A
2018-10-01$313.61$194.14RVU18D
2018-07-01$313.61$194.14RVU18C
2018-04-01$313.61$194.14RVU18B
2018-01-01$313.61$194.14RVU18AR1
2017-10-01$311.30$193.45RVU17D
2017-07-01$311.30$193.45RVU17C
2017-04-01$311.30$193.45RVU17B
2017-01-01$311.30$193.45RVU17A
2016-10-01$369.16$197.83RVU16D
2016-07-01$369.16$197.83RVU16C
2016-04-01$369.16$197.83RVU16B
2016-01-01$369.16$197.83RVU16A
2015-10-01$381.74$220.39RVU15D
2015-07-01$369.88$208.53RVU15C
2015-04-01$368.04$207.50RVU15B
2015-01-01$368.04$207.50RVU15A
2014-10-01$378.18$218.84RVU14D
2014-07-01$378.18$218.84RVU14C
2014-04-01$378.18$218.84RVU14B
2014-01-01$378.18$218.84RVU14A
2013-10-01$390.44$216.23RVU13D
2013-07-01$390.44$216.23RVU13C
2013-04-01$390.44$216.23RVU13B
2013-01-01$390.44$216.23RVU13AR

Price G0121 for an earlier date of service

Where the Utah rate applies

Utah is a Medicare payment area, not a city. Our Census mapping connects it to 334 cities and communities in Utah. Some span more than one payment area; confirm with the service ZIP.

  • Alpine
  • Alta
  • Altamont
  • Alton
  • Amalga
  • American Fork
  • Aneth
  • Annabella

Browse all communities in Utah

G0121 billing questions

When should G0121 be selected instead of G0105?

Use G0121 for a screening colonoscopy when the patient is not classified as high risk. G0105 is the corresponding screening code for a high-risk individual.

How does G0121 differ from G0104?

G0121 is for screening by colonoscopy. G0104 represents screening by flexible sigmoidoscopy, which examines a more limited portion of the colon.

What documentation supports G0121?

Document that the examination was for colorectal cancer screening and support the patient’s not-high-risk classification. The procedure report should describe the examination and its findings.

What does modifier 53 mean for this code?

Modifier 53 identifies a discontinued procedure, and CMS assigns it separate pricing treatment for G0121. The record should explain why the colonoscopy was discontinued.

Can G0121 be billed with modifier 50?

No. Do not append modifier 50 to this colonoscopy service.

How are multiple procedures in the same session paid?

CMS pays the highest-valued procedure in full and pays other procedures at 50% when multiple procedures are performed in the same session.

Where these rates come from

FeeBase calculates base physician payments from CMS work, practice-expense and malpractice RVUs, adjusted by each locality’s geographic indexes and the conversion factor. Services without a published rate are labeled, never given a made-up amount. Amounts are Medicare allowed amounts before claim adjustments: not a patient’s bill or a commercial rate.

CMS RVU26D · effective Oct 1, 2026 through the day before Jan 1, 2027

Show the CMS file lines behind this rate
RVUs for G0121PPRRVU2026_Oct_nonQPP.csv, line 15,093 (RVU26D)
Geographic factors for UtahGPCI2026.csv, line 104 (RVU26D)

Open CMS sourceHow we calculate rates

Did this answer your question about what G0121 pays in Utah?

Tell us what you were actually trying to work out. We’ll answer you directly, or build the page that does.

Fee sheets

Put G0121 and the rest of your codes on one sheet

Your codes at your locality, with payer contracts beside Medicare.

Build my fee sheet