# CPT 45331: Sigmoidoscopy Flx W/biopsy Single/multiple

Medicare CPT 45331 pays $322.99 in a non-facility setting and $66.80 in a facility setting under the 2026 Medicare Physician Fee Schedule, before geographic adjustment. After geographic adjustment, state amounts run from $281.06 in Arkansas to $375.58 in District of Columbia, a 34% spread.

Web page: https://www.med-reveal.com/rates/45331-cpt-fee-schedule
Section: Surgery and Procedures
Billed by: Gastroenterology

## Medicare rates

| | Amount |
| --- | --- |
| National non-facility | $322.99 |
| National facility | $66.80 |
| Conversion factor | 33.4009 |
| Release | 2026 Q4 (effective 2026-10-01) |

## By state

| State | Non-facility | Facility |
| --- | --- | --- |
| District of Columbia | $375.58 | $73.79 |
| California | $373.72 | $70.58 |
| Washington | $362.54 | $70.49 |
| New Jersey | $360.72 | $72.25 |
| Hawaii | $359.55 | $68.27 |
| New York | $358.94 | $73.14 |
| Massachusetts | $358.05 | $70.22 |
| Alaska | $357.70 | $84.87 |
| Connecticut | $346.37 | $70.45 |
| Colorado | $340.41 | $67.83 |
| Oregon | $337.04 | $67.15 |
| Maryland | $335.79 | $68.71 |
| New Hampshire | $333.93 | $67.24 |
| Rhode Island | $332.47 | $67.83 |
| Florida | $328.35 | $71.31 |
| Minnesota | $327.85 | $64.24 |
| Puerto Rico | $326.01 | $67.01 |
| Virgin Islands | $326.01 | $67.01 |
| Montana | $322.98 | $66.79 |
| Nevada | $322.49 | $66.05 |
| Wyoming | $321.77 | $65.59 |
| North Dakota | $320.21 | $64.02 |
| South Dakota | $319.88 | $63.70 |
| Delaware | $319.32 | $66.21 |
| Texas | $318.50 | $66.29 |
| Illinois | $317.89 | $70.35 |
| Pennsylvania | $317.88 | $66.94 |
| Vermont | $317.86 | $64.24 |
| Virginia | $316.83 | $65.00 |
| Arizona | $313.60 | $65.35 |
| Georgia | $311.02 | $66.62 |
| Maine | $308.73 | $63.94 |
| Wisconsin | $307.94 | $62.51 |
| Michigan | $307.74 | $67.18 |
| Utah | $305.64 | $64.82 |
| North Carolina | $302.46 | $63.44 |
| South Carolina | $300.91 | $64.20 |
| New Mexico | $300.58 | $65.66 |
| Indiana | $300.05 | $62.57 |
| Missouri | $299.76 | $64.67 |
| Louisiana | $298.74 | $64.84 |
| Ohio | $298.56 | $64.66 |
| Nebraska | $298.42 | $61.96 |
| Idaho | $298.02 | $62.33 |
| Iowa | $296.26 | $61.85 |
| Tennessee | $295.23 | $62.36 |
| Kansas | $293.67 | $62.08 |
| Oklahoma | $291.85 | $63.08 |
| Kentucky | $291.37 | $63.62 |
| West Virginia | $288.16 | $65.54 |
| Alabama | $285.80 | $61.64 |
| Mississippi | $282.67 | $62.10 |
| Arkansas | $281.06 | $61.00 |

## Related codes

- 10140: I&d Hematoma Seroma/fluid Collection — https://www.med-reveal.com/rates/10140-cpt-fee-schedule
- 11055: Paring/cutting Benign Hyperkeratotic Lesion 1 — https://www.med-reveal.com/rates/11055-cpt-fee-schedule
- 11056: Paring/cutting Benign Hyperkeratotic Lesion 2-4 — https://www.med-reveal.com/rates/11056-cpt-fee-schedule
- 11057: Paring/cutting Benign Hyperkeratotic Lesion >4 — https://www.med-reveal.com/rates/11057-cpt-fee-schedule
- 11403: Exc B9 Lesion Mrgn Xcp Sk Tg T/a/l 2.1-3.0 Cm — https://www.med-reveal.com/rates/11403-cpt-fee-schedule
- 11404: Exc B9 Lesion Mrgn Xcp Sk Tg T/a/l 3.1-4.0 Cm — https://www.med-reveal.com/rates/11404-cpt-fee-schedule
- 11406: Exc B9 Lesion Mrgn Xcp Sk Tg T/a/l >4.0 Cm — https://www.med-reveal.com/rates/11406-cpt-fee-schedule
- 11603: Excision Mal Lesion Trunk/arm/leg 2.1-3.0 Cm — https://www.med-reveal.com/rates/11603-cpt-fee-schedule

Commercial negotiated rates for 45331 by payer and state: https://www.med-reveal.com/solutions/rate-benchmarking

## Sources

- CMS Medicare fee schedules (2026 Q4): https://www.cms.gov/medicare/payment/fee-schedules