# CPT 88344: Immunohistochemistry, each multiplex antibody stain

Medicare CPT 88344 pays $173.35 in a non-facility setting and $173.35 in a facility setting under the 2026 Medicare Physician Fee Schedule, before geographic adjustment. After geographic adjustment, state amounts run from $152.21 in Arkansas to $201.06 in District of Columbia, a 32% spread.

Web page: https://www.med-reveal.com/rates/88344-cpt-fee-schedule
Section: Laboratory and Pathology
Billed by: Pathology

## Medicare rates

| | Amount |
| --- | --- |
| National non-facility | $173.35 |
| National facility | $173.35 |
| Conversion factor | 33.4009 |
| Release | 2026 Q4 (effective 2026-10-01) |

## By state

| State | Non-facility | Facility |
| --- | --- | --- |
| District of Columbia | $201.06 | $201.06 |
| California | $201.00 | $201.00 |
| Alaska | $195.17 | $195.17 |
| Washington | $194.67 | $194.67 |
| Hawaii | $193.30 | $193.30 |
| New Jersey | $193.30 | $193.30 |
| Massachusetts | $192.19 | $192.19 |
| New York | $191.84 | $191.84 |
| Connecticut | $185.36 | $185.36 |
| Colorado | $182.95 | $182.95 |
| Oregon | $181.27 | $181.27 |
| Maryland | $180.01 | $180.01 |
| New Hampshire | $179.32 | $179.32 |
| Rhode Island | $178.63 | $178.63 |
| Minnesota | $177.16 | $177.16 |
| Puerto Rico | $174.96 | $174.96 |
| Virgin Islands | $174.96 | $174.96 |
| Florida | $174.47 | $174.47 |
| Nevada | $173.39 | $173.39 |
| Montana | $173.35 | $173.35 |
| Wyoming | $173.18 | $173.18 |
| North Dakota | $172.95 | $172.95 |
| South Dakota | $172.91 | $172.91 |
| Delaware | $171.64 | $171.64 |
| Vermont | $171.54 | $171.54 |
| Texas | $171.15 | $171.15 |
| Virginia | $170.64 | $170.64 |
| Pennsylvania | $170.60 | $170.60 |
| Illinois | $169.07 | $169.07 |
| Arizona | $168.68 | $168.68 |
| Georgia | $166.73 | $166.73 |
| Wisconsin | $166.69 | $166.69 |
| Maine | $166.54 | $166.54 |
| Michigan | $164.62 | $164.62 |
| Utah | $164.42 | $164.42 |
| North Carolina | $163.22 | $163.22 |
| Indiana | $162.23 | $162.23 |
| South Carolina | $162.03 | $162.03 |
| Nebraska | $161.57 | $161.57 |
| New Mexico | $161.23 | $161.23 |
| Idaho | $161.19 | $161.19 |
| Missouri | $161.19 | $161.19 |
| Louisiana | $160.54 | $160.54 |
| Ohio | $160.51 | $160.51 |
| Iowa | $160.40 | $160.40 |
| Tennessee | $159.61 | $159.61 |
| Kansas | $158.85 | $158.85 |
| Oklahoma | $157.41 | $157.41 |
| Kentucky | $156.91 | $156.91 |
| Alabama | $154.61 | $154.61 |
| West Virginia | $154.30 | $154.30 |
| Mississippi | $152.66 | $152.66 |
| Arkansas | $152.21 | $152.21 |

## 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 88344 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