# CPT 88342: Immunohistochemistry, first antibody stain

Medicare CPT 88342 pays $110.22 in a non-facility setting and $110.22 in a facility setting under the 2026 Medicare Physician Fee Schedule, before geographic adjustment. After geographic adjustment, state amounts run from $97.65 in Arkansas to $126.98 in District of Columbia, a 30% spread.

Web page: https://www.med-reveal.com/rates/88342-cpt-fee-schedule
Section: Laboratory and Pathology
Billed by: Pathology

## Medicare rates

| | Amount |
| --- | --- |
| National non-facility | $110.22 |
| National facility | $110.22 |
| Conversion factor | 33.4009 |
| Release | 2026 Q4 (effective 2026-10-01) |

## By state

| State | Non-facility | Facility |
| --- | --- | --- |
| District of Columbia | $126.98 | $126.98 |
| Alaska | $126.92 | $126.92 |
| California | $126.65 | $126.65 |
| Washington | $122.95 | $122.95 |
| New Jersey | $122.39 | $122.39 |
| Hawaii | $121.84 | $121.84 |
| New York | $121.58 | $121.58 |
| Massachusetts | $121.49 | $121.49 |
| Connecticut | $117.50 | $117.50 |
| Colorado | $115.91 | $115.91 |
| Oregon | $114.87 | $114.87 |
| Maryland | $114.26 | $114.26 |
| New Hampshire | $113.70 | $113.70 |
| Rhode Island | $113.45 | $113.45 |
| Minnesota | $112.27 | $112.27 |
| Puerto Rico | $111.17 | $111.17 |
| Virgin Islands | $111.17 | $111.17 |
| Florida | $111.14 | $111.14 |
| Montana | $110.22 | $110.22 |
| Nevada | $110.20 | $110.20 |
| Wyoming | $110.05 | $110.05 |
| North Dakota | $109.83 | $109.83 |
| South Dakota | $109.78 | $109.78 |
| Delaware | $109.23 | $109.23 |
| Vermont | $109.02 | $109.02 |
| Texas | $108.96 | $108.96 |
| Pennsylvania | $108.70 | $108.70 |
| Virginia | $108.55 | $108.55 |
| Illinois | $107.98 | $107.98 |
| Arizona | $107.43 | $107.43 |
| Georgia | $106.39 | $106.39 |
| Wisconsin | $106.11 | $106.11 |
| Maine | $106.10 | $106.10 |
| Michigan | $105.20 | $105.20 |
| Utah | $104.94 | $104.94 |
| North Carolina | $104.16 | $104.16 |
| Indiana | $103.54 | $103.54 |
| South Carolina | $103.52 | $103.52 |
| New Mexico | $103.15 | $103.15 |
| Nebraska | $103.12 | $103.12 |
| Missouri | $103.06 | $103.06 |
| Idaho | $102.92 | $102.92 |
| Louisiana | $102.70 | $102.70 |
| Ohio | $102.67 | $102.67 |
| Iowa | $102.44 | $102.44 |
| Tennessee | $102.01 | $102.01 |
| Kansas | $101.55 | $101.55 |
| Oklahoma | $100.78 | $100.78 |
| Kentucky | $100.53 | $100.53 |
| West Virginia | $99.13 | $99.13 |
| Alabama | $99.08 | $99.08 |
| Mississippi | $97.98 | $97.98 |
| Arkansas | $97.65 | $97.65 |

## 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 88342 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