# CPT 91037: Gastroesophag Reflx Test W/intrluml Imped Eltrd

Medicare CPT 91037 pays $187.38 in a non-facility setting and $187.38 in a facility setting under the 2026 Medicare Physician Fee Schedule, before geographic adjustment. After geographic adjustment, state amounts run from $164.63 in Arkansas to $216.65 in District of Columbia, a 32% spread.

Web page: https://www.med-reveal.com/rates/91037-cpt-fee-schedule
Section: Medical and Therapeutic Services
Billed by: Gastroenterology

## Medicare rates

| | Amount |
| --- | --- |
| National non-facility | $187.38 |
| National facility | $187.38 |
| Conversion factor | 33.4009 |
| Release | 2026 Q4 (effective 2026-10-01) |

## By state

| State | Non-facility | Facility |
| --- | --- | --- |
| District of Columbia | $216.65 | $216.65 |
| California | $215.54 | $215.54 |
| Alaska | $212.16 | $212.16 |
| Washington | $209.35 | $209.35 |
| New Jersey | $208.52 | $208.52 |
| New York | $207.45 | $207.45 |
| Hawaii | $207.40 | $207.40 |
| Massachusetts | $206.85 | $206.85 |
| Connecticut | $200.31 | $200.31 |
| Colorado | $197.06 | $197.06 |
| Oregon | $195.19 | $195.19 |
| Maryland | $194.49 | $194.49 |
| New Hampshire | $193.37 | $193.37 |
| Rhode Island | $192.79 | $192.79 |
| Minnesota | $190.18 | $190.18 |
| Florida | $190.10 | $190.10 |
| Puerto Rico | $189.03 | $189.03 |
| Virgin Islands | $189.03 | $189.03 |
| Montana | $187.37 | $187.37 |
| Nevada | $187.14 | $187.14 |
| Wyoming | $186.77 | $186.77 |
| North Dakota | $185.99 | $185.99 |
| South Dakota | $185.83 | $185.83 |
| Delaware | $185.46 | $185.46 |
| Texas | $185.01 | $185.01 |
| Pennsylvania | $184.69 | $184.69 |
| Vermont | $184.69 | $184.69 |
| Illinois | $184.45 | $184.45 |
| Virginia | $184.09 | $184.09 |
| Arizona | $182.29 | $182.29 |
| Georgia | $180.84 | $180.84 |
| Maine | $179.69 | $179.69 |
| Wisconsin | $179.32 | $179.32 |
| Michigan | $178.98 | $178.98 |
| Utah | $177.94 | $177.94 |
| North Carolina | $176.26 | $176.26 |
| South Carolina | $175.38 | $175.38 |
| New Mexico | $175.12 | $175.12 |
| Indiana | $174.99 | $174.99 |
| Missouri | $174.72 | $174.72 |
| Louisiana | $174.15 | $174.15 |
| Nebraska | $174.12 | $174.12 |
| Ohio | $174.06 | $174.06 |
| Idaho | $173.88 | $173.88 |
| Iowa | $172.94 | $172.94 |
| Tennessee | $172.35 | $172.35 |
| Kansas | $171.50 | $171.50 |
| Oklahoma | $170.45 | $170.45 |
| Kentucky | $170.16 | $170.16 |
| West Virginia | $168.30 | $168.30 |
| Alabama | $167.20 | $167.20 |
| Mississippi | $165.46 | $165.46 |
| Arkansas | $164.63 | $164.63 |

## Related codes

- 90632: Hepa Vaccine Adult Dose for Intramuscular Use — https://www.med-reveal.com/rates/90632-cpt-fee-schedule
- 90633: Hepa Vaccine 2 Dose Schedule Ped/adolesc Im Use — https://www.med-reveal.com/rates/90633-cpt-fee-schedule
- 90647: Hib Prp-omp Vaccine 3 Dose Schedule Im Use — https://www.med-reveal.com/rates/90647-cpt-fee-schedule
- 90648: Hib Prp-t Vaccine 4 Dose Schedule Im Use — https://www.med-reveal.com/rates/90648-cpt-fee-schedule
- 90680: Rv5 Vaccine 3 Dose Schedule Live for Oral Use — https://www.med-reveal.com/rates/90680-cpt-fee-schedule
- 90681: Rv1 Vaccine 2 Dose Schedule Live for Oral Use — https://www.med-reveal.com/rates/90681-cpt-fee-schedule
- 90698: Dtap-ipv/hib Vaccine for Intramuscular Use — https://www.med-reveal.com/rates/90698-cpt-fee-schedule
- 90710: Measles Mumps Rubella Varicella Vacc Live Subq — https://www.med-reveal.com/rates/90710-cpt-fee-schedule

Commercial negotiated rates for 91037 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