# CPT 91013: Esophageal motility study with stimulation or perfusion (add-on)

Medicare CPT 91013 pays $28.39 in a non-facility setting and $28.39 in a facility setting under the 2026 Medicare Physician Fee Schedule, before geographic adjustment. After geographic adjustment, state amounts run from $25.12 in Arkansas to $32.68 in Alaska, a 30% spread.

Web page: https://www.med-reveal.com/rates/91013-cpt-fee-schedule
Section: Medical and Therapeutic Services
Billed by: Gastroenterology

## Medicare rates

| | Amount |
| --- | --- |
| National non-facility | $28.39 |
| National facility | $28.39 |
| Conversion factor | 33.4009 |
| Release | 2026 Q4 (effective 2026-10-01) |

## By state

| State | Non-facility | Facility |
| --- | --- | --- |
| Alaska | $32.68 | $32.68 |
| District of Columbia | $32.68 | $32.68 |
| California | $32.49 | $32.49 |
| Washington | $31.60 | $31.60 |
| New Jersey | $31.51 | $31.51 |
| New York | $31.35 | $31.35 |
| Hawaii | $31.27 | $31.27 |
| Massachusetts | $31.24 | $31.24 |
| Connecticut | $30.28 | $30.28 |
| Colorado | $29.80 | $29.80 |
| Oregon | $29.53 | $29.53 |
| Maryland | $29.44 | $29.44 |
| New Hampshire | $29.25 | $29.25 |
| Rhode Island | $29.20 | $29.20 |
| Minnesota | $28.79 | $28.79 |
| Florida | $28.78 | $28.78 |
| Puerto Rico | $28.63 | $28.63 |
| Virgin Islands | $28.63 | $28.63 |
| Montana | $28.39 | $28.39 |
| Nevada | $28.36 | $28.36 |
| Wyoming | $28.30 | $28.30 |
| North Dakota | $28.19 | $28.19 |
| South Dakota | $28.17 | $28.17 |
| Delaware | $28.12 | $28.12 |
| Texas | $28.06 | $28.06 |
| Pennsylvania | $28.02 | $28.02 |
| Vermont | $28.01 | $28.01 |
| Illinois | $27.98 | $27.98 |
| Virginia | $27.92 | $27.92 |
| Arizona | $27.66 | $27.66 |
| Georgia | $27.45 | $27.45 |
| Maine | $27.29 | $27.29 |
| Wisconsin | $27.23 | $27.23 |
| Michigan | $27.19 | $27.19 |
| Utah | $27.03 | $27.03 |
| North Carolina | $26.79 | $26.79 |
| South Carolina | $26.67 | $26.67 |
| New Mexico | $26.63 | $26.63 |
| Indiana | $26.61 | $26.61 |
| Missouri | $26.57 | $26.57 |
| Louisiana | $26.49 | $26.49 |
| Nebraska | $26.49 | $26.49 |
| Ohio | $26.48 | $26.48 |
| Idaho | $26.45 | $26.45 |
| Iowa | $26.32 | $26.32 |
| Tennessee | $26.23 | $26.23 |
| Kansas | $26.11 | $26.11 |
| Oklahoma | $25.96 | $25.96 |
| Kentucky | $25.92 | $25.92 |
| West Virginia | $25.65 | $25.65 |
| Alabama | $25.49 | $25.49 |
| Mississippi | $25.24 | $25.24 |
| Arkansas | $25.12 | $25.12 |

## Related codes

- 91010: Esophageal motility study — https://www.med-reveal.com/rates/91010-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
- 91040: Esophageal balloon distension provocation study — https://www.med-reveal.com/rates/91040-cpt-fee-schedule

Commercial negotiated rates for 91013 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