# CPT 91117: Colon motility study, minimum 6 hours

Medicare CPT 91117 pays $121.91 in a non-facility setting and $121.91 in a facility setting under the 2026 Medicare Physician Fee Schedule, before geographic adjustment. After geographic adjustment, state amounts run from $113.91 in Arkansas to $161.47 in Alaska, a 42% spread.

Web page: https://www.med-reveal.com/rates/91117-cpt-fee-schedule
Section: Medical and Therapeutic Services

## Medicare rates

| | Amount |
| --- | --- |
| National non-facility | $121.91 |
| National facility | $121.91 |
| Conversion factor | 33.4009 |
| Release | 2026 Q4 (effective 2026-10-01) |

## By state

| State | Non-facility | Facility |
| --- | --- | --- |
| Alaska | $161.47 | $161.47 |
| District of Columbia | $133.32 | $133.32 |
| New York | $132.03 | $132.03 |
| New Jersey | $131.07 | $131.07 |
| California | $128.63 | $128.63 |
| Washington | $128.21 | $128.21 |
| Florida | $127.72 | $127.72 |
| Massachusetts | $127.70 | $127.70 |
| Connecticut | $127.55 | $127.55 |
| Illinois | $126.45 | $126.45 |
| Maryland | $124.95 | $124.95 |
| Hawaii | $124.32 | $124.32 |
| Rhode Island | $123.97 | $123.97 |
| Colorado | $123.86 | $123.86 |
| Oregon | $122.82 | $122.82 |
| New Hampshire | $122.64 | $122.64 |
| Pennsylvania | $122.31 | $122.31 |
| Puerto Rico | $122.22 | $122.22 |
| Virgin Islands | $122.22 | $122.22 |
| Michigan | $122.17 | $122.17 |
| Montana | $121.90 | $121.90 |
| Georgia | $121.56 | $121.56 |
| Texas | $121.37 | $121.37 |
| Delaware | $121.27 | $121.27 |
| Nevada | $120.95 | $120.95 |
| Wyoming | $120.35 | $120.35 |
| New Mexico | $120.13 | $120.13 |
| Arizona | $119.93 | $119.93 |
| West Virginia | $119.78 | $119.78 |
| Virginia | $119.53 | $119.53 |
| Utah | $119.14 | $119.14 |
| Louisiana | $119.06 | $119.06 |
| Missouri | $118.85 | $118.85 |
| Ohio | $118.82 | $118.82 |
| Minnesota | $118.73 | $118.73 |
| Vermont | $118.58 | $118.58 |
| North Dakota | $118.34 | $118.34 |
| South Carolina | $118.27 | $118.27 |
| Maine | $118.06 | $118.06 |
| South Dakota | $117.92 | $117.92 |
| Kentucky | $117.40 | $117.40 |
| North Carolina | $117.33 | $117.33 |
| Oklahoma | $116.71 | $116.71 |
| Wisconsin | $116.24 | $116.24 |
| Indiana | $116.19 | $116.19 |
| Idaho | $115.86 | $115.86 |
| Tennessee | $115.85 | $115.85 |
| Kansas | $115.47 | $115.47 |
| Nebraska | $115.40 | $115.40 |
| Mississippi | $115.33 | $115.33 |
| Iowa | $115.22 | $115.22 |
| Alabama | $114.79 | $114.79 |
| Arkansas | $113.91 | $113.91 |

## Related codes

- 91010: Esophageal motility study — https://www.med-reveal.com/rates/91010-cpt-fee-schedule
- 91013: Esophageal motility study with stimulation or perfusion (add-on) — https://www.med-reveal.com/rates/91013-cpt-fee-schedule
- 91020: Gastric motility studies — https://www.med-reveal.com/rates/91020-cpt-fee-schedule
- 91022: Duodenal motility study — https://www.med-reveal.com/rates/91022-cpt-fee-schedule
- 91030: Esophagus, acid perfusion (Bernstein) test — https://www.med-reveal.com/rates/91030-cpt-fee-schedule
- 91034: Esophageal pH monitoring, prolonged, catheter placement — https://www.med-reveal.com/rates/91034-cpt-fee-schedule
- 91035: Esophageal pH monitoring, prolonged, mucosal attached telemetry — https://www.med-reveal.com/rates/91035-cpt-fee-schedule
- 91038: Esophageal function test, prolonged, greater than 1 hour — https://www.med-reveal.com/rates/91038-cpt-fee-schedule

Commercial negotiated rates for 91117 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
