# CPT 88189: Flow Cytometry Interpretation 16/> Markers

Medicare CPT 88189 pays $79.16 in a non-facility setting and $79.16 in a facility setting under the 2026 Medicare Physician Fee Schedule, before geographic adjustment. After geographic adjustment, state amounts run from $75.01 in Arkansas to $107.22 in Alaska, a 43% spread.

Web page: https://www.med-reveal.com/rates/88189-cpt-fee-schedule
Section: Laboratory and Pathology
Billed by: Pathology

## Medicare rates

| | Amount |
| --- | --- |
| National non-facility | $79.16 |
| National facility | $79.16 |
| Conversion factor | 33.4009 |
| Release | 2026 Q4 (effective 2026-10-01) |

## By state

| State | Non-facility | Facility |
| --- | --- | --- |
| Alaska | $107.22 | $107.22 |
| District of Columbia | $86.22 | $86.22 |
| New York | $85.10 | $85.10 |
| New Jersey | $84.90 | $84.90 |
| California | $83.99 | $83.99 |
| Washington | $83.41 | $83.41 |
| Massachusetts | $83.01 | $83.01 |
| Connecticut | $82.41 | $82.41 |
| Florida | $81.45 | $81.45 |
| Hawaii | $81.10 | $81.10 |
| Maryland | $80.97 | $80.97 |
| Illinois | $80.76 | $80.76 |
| Colorado | $80.68 | $80.68 |
| Rhode Island | $80.67 | $80.67 |
| Oregon | $80.10 | $80.10 |
| New Hampshire | $79.74 | $79.74 |
| Pennsylvania | $79.38 | $79.38 |
| Puerto Rico | $79.36 | $79.36 |
| Virgin Islands | $79.36 | $79.36 |
| Montana | $79.16 | $79.16 |
| Texas | $78.97 | $78.97 |
| Delaware | $78.94 | $78.94 |
| Michigan | $78.81 | $78.81 |
| Nevada | $78.79 | $78.79 |
| Georgia | $78.72 | $78.72 |
| Wyoming | $78.55 | $78.55 |
| Arizona | $78.16 | $78.16 |
| Minnesota | $78.13 | $78.13 |
| Virginia | $78.11 | $78.11 |
| New Mexico | $77.86 | $77.86 |
| Vermont | $77.79 | $77.79 |
| North Dakota | $77.77 | $77.77 |
| Utah | $77.64 | $77.64 |
| South Dakota | $77.61 | $77.61 |
| Louisiana | $77.41 | $77.41 |
| West Virginia | $77.37 | $77.37 |
| Missouri | $77.36 | $77.36 |
| Maine | $77.33 | $77.33 |
| Ohio | $77.32 | $77.32 |
| South Carolina | $77.18 | $77.18 |
| North Carolina | $76.88 | $76.88 |
| Wisconsin | $76.64 | $76.64 |
| Kentucky | $76.59 | $76.59 |
| Indiana | $76.40 | $76.40 |
| Oklahoma | $76.35 | $76.35 |
| Idaho | $76.22 | $76.22 |
| Tennessee | $76.13 | $76.13 |
| Nebraska | $76.06 | $76.06 |
| Kansas | $75.95 | $75.95 |
| Iowa | $75.93 | $75.93 |
| Mississippi | $75.58 | $75.58 |
| Alabama | $75.47 | $75.47 |
| Arkansas | $75.01 | $75.01 |

## Related codes

- 0202U: Nfct Ds Bct/vir Respir Dna/rna 22 Trgt Sarscov2 — https://www.med-reveal.com/rates/0202U-pla-fee-schedule
- 80184: Drug Screen Quantitative Phenobarbital — https://www.med-reveal.com/rates/80184-cpt-fee-schedule
- 80299: Quantitation Drug Not Elsewhere Specified — https://www.med-reveal.com/rates/80299-cpt-fee-schedule
- 80346: Drug Screening Benzodiazepines 1-12 — https://www.med-reveal.com/rates/80346-cpt-fee-schedule
- 80349: Drug Screening Cannabinoids Natural — https://www.med-reveal.com/rates/80349-cpt-fee-schedule
- 80354: Drug Screening Fentanyl — https://www.med-reveal.com/rates/80354-cpt-fee-schedule
- 80357: Drug Screening Ketamine and Norketamine — https://www.med-reveal.com/rates/80357-cpt-fee-schedule
- 80362: Drug Screening Opioids and Opiate Analogs 1 or 2 — https://www.med-reveal.com/rates/80362-cpt-fee-schedule

Commercial negotiated rates for 88189 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