# CPT 88346: Immunofluorescence, first antibody

Medicare CPT 88346 pays $136.94 in a non-facility setting and $136.94 in a facility setting under the 2026 Medicare Physician Fee Schedule, before geographic adjustment. After geographic adjustment, state amounts run from $120.68 in Arkansas to $158.27 in District of Columbia, a 31% spread.

Web page: https://www.med-reveal.com/rates/88346-cpt-fee-schedule
Section: Laboratory and Pathology

## Medicare rates

| | Amount |
| --- | --- |
| National non-facility | $136.94 |
| National facility | $136.94 |
| Conversion factor | 33.4009 |
| Release | 2026 Q4 (effective 2026-10-01) |

## By state

| State | Non-facility | Facility |
| --- | --- | --- |
| District of Columbia | $158.27 | $158.27 |
| California | $157.85 | $157.85 |
| Alaska | $155.79 | $155.79 |
| Washington | $153.16 | $153.16 |
| New Jersey | $152.37 | $152.37 |
| Hawaii | $151.85 | $151.85 |
| New York | $151.38 | $151.38 |
| Massachusetts | $151.30 | $151.30 |
| Connecticut | $146.25 | $146.25 |
| Colorado | $144.17 | $144.17 |
| Oregon | $142.85 | $142.85 |
| Maryland | $142.08 | $142.08 |
| New Hampshire | $141.41 | $141.41 |
| Rhode Island | $140.98 | $140.98 |
| Minnesota | $139.48 | $139.48 |
| Florida | $138.26 | $138.26 |
| Puerto Rico | $138.16 | $138.16 |
| Virgin Islands | $138.16 | $138.16 |
| Montana | $136.94 | $136.94 |
| Nevada | $136.89 | $136.89 |
| Wyoming | $136.68 | $136.68 |
| North Dakota | $136.35 | $136.35 |
| South Dakota | $136.28 | $136.28 |
| Delaware | $135.62 | $135.62 |
| Vermont | $135.33 | $135.33 |
| Texas | $135.27 | $135.27 |
| Pennsylvania | $134.94 | $134.94 |
| Virginia | $134.75 | $134.75 |
| Illinois | $134.17 | $134.17 |
| Arizona | $133.33 | $133.33 |
| Georgia | $132.03 | $132.03 |
| Maine | $131.59 | $131.59 |
| Wisconsin | $131.55 | $131.55 |
| Michigan | $130.53 | $130.53 |
| Utah | $130.13 | $130.13 |
| North Carolina | $129.09 | $129.09 |
| South Carolina | $128.29 | $128.29 |
| Indiana | $128.26 | $128.26 |
| New Mexico | $127.86 | $127.86 |
| Missouri | $127.72 | $127.72 |
| Nebraska | $127.70 | $127.70 |
| Idaho | $127.46 | $127.46 |
| Louisiana | $127.26 | $127.26 |
| Ohio | $127.22 | $127.22 |
| Iowa | $126.83 | $126.83 |
| Tennessee | $126.30 | $126.30 |
| Kansas | $125.70 | $125.70 |
| Oklahoma | $124.75 | $124.75 |
| Kentucky | $124.44 | $124.44 |
| West Virginia | $122.72 | $122.72 |
| Alabama | $122.52 | $122.52 |
| Mississippi | $121.13 | $121.13 |
| Arkansas | $120.68 | $120.68 |

## Related codes

- 88300: Level I surgical pathology, gross examination only — https://www.med-reveal.com/rates/88300-cpt-fee-schedule
- 88302: Level II surgical pathology, gross and microscopic examination — https://www.med-reveal.com/rates/88302-cpt-fee-schedule
- 88304: Level III surgical pathology, gross and microscopic examination — https://www.med-reveal.com/rates/88304-cpt-fee-schedule
- 88305: Level IV surgical pathology, gross and microscopic examination — https://www.med-reveal.com/rates/88305-cpt-fee-schedule
- 88307: Level V surgical pathology, gross and microscopic examination — https://www.med-reveal.com/rates/88307-cpt-fee-schedule
- 88309: Level VI surgical pathology, gross and microscopic examination — https://www.med-reveal.com/rates/88309-cpt-fee-schedule
- 88311: Decalcification procedure — https://www.med-reveal.com/rates/88311-cpt-fee-schedule
- 88312: Special stain, group I, microorganisms — https://www.med-reveal.com/rates/88312-cpt-fee-schedule

Commercial negotiated rates for 88346 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