# CPT 94664: Demonstration and evaluation of patient use of aerosol generator, nebulizer, or IPPB device

Medicare CPT 94664 pays $20.04 in a non-facility setting and $20.04 in a facility setting under the 2026 Medicare Physician Fee Schedule, before geographic adjustment. After geographic adjustment, state amounts run from $16.99 in Arkansas to $23.56 in District of Columbia, a 39% spread.

Web page: https://www.med-reveal.com/rates/94664-cpt-fee-schedule
Section: Medical and Therapeutic Services
Billed by: General Acute Care Hospital, Pulmonary Disease

## Medicare rates

| | Amount |
| --- | --- |
| National non-facility | $20.04 |
| National facility | $20.04 |
| Conversion factor | 33.4009 |
| Release | 2026 Q4 (effective 2026-10-01) |

## By state

| State | Non-facility | Facility |
| --- | --- | --- |
| District of Columbia | $23.56 | $23.56 |
| California | $23.28 | $23.28 |
| Washington | $22.62 | $22.62 |
| New Jersey | $22.54 | $22.54 |
| New York | $22.52 | $22.52 |
| Hawaii | $22.41 | $22.41 |
| Massachusetts | $22.33 | $22.33 |
| Connecticut | $21.67 | $21.67 |
| Colorado | $21.13 | $21.13 |
| Alaska | $21.00 | $21.00 |
| Maryland | $20.92 | $20.92 |
| Oregon | $20.89 | $20.89 |
| New Hampshire | $20.75 | $20.75 |
| Florida | $20.74 | $20.74 |
| Rhode Island | $20.61 | $20.61 |
| Puerto Rico | $20.24 | $20.24 |
| Virgin Islands | $20.24 | $20.24 |
| Minnesota | $20.13 | $20.13 |
| Montana | $20.04 | $20.04 |
| Illinois | $20.00 | $20.00 |
| Nevada | $19.95 | $19.95 |
| Wyoming | $19.87 | $19.87 |
| Delaware | $19.74 | $19.74 |
| Pennsylvania | $19.69 | $19.69 |
| Texas | $19.69 | $19.69 |
| North Dakota | $19.64 | $19.64 |
| South Dakota | $19.60 | $19.60 |
| Vermont | $19.52 | $19.52 |
| Virginia | $19.51 | $19.51 |
| Arizona | $19.34 | $19.34 |
| Georgia | $19.28 | $19.28 |
| Michigan | $19.13 | $19.13 |
| Maine | $18.93 | $18.93 |
| Utah | $18.81 | $18.81 |
| Wisconsin | $18.76 | $18.76 |
| New Mexico | $18.57 | $18.57 |
| North Carolina | $18.50 | $18.50 |
| South Carolina | $18.47 | $18.47 |
| Missouri | $18.43 | $18.43 |
| Louisiana | $18.38 | $18.38 |
| Ohio | $18.36 | $18.36 |
| Indiana | $18.28 | $18.28 |
| Idaho | $18.14 | $18.14 |
| Nebraska | $18.13 | $18.13 |
| Iowa | $17.99 | $17.99 |
| Tennessee | $17.97 | $17.97 |
| Kansas | $17.85 | $17.85 |
| Kentucky | $17.83 | $17.83 |
| Oklahoma | $17.82 | $17.82 |
| West Virginia | $17.79 | $17.79 |
| Alabama | $17.33 | $17.33 |
| Mississippi | $17.17 | $17.17 |
| Arkansas | $16.99 | $16.99 |

## Related codes

- 94002: Ventilation assist management, hospital inpatient, initial day — https://www.med-reveal.com/rates/94002-cpt-fee-schedule
- 94003: Ventilation assist management, hospital inpatient, each subsequent day — https://www.med-reveal.com/rates/94003-cpt-fee-schedule
- 94010: Spirometry, including graphic record — https://www.med-reveal.com/rates/94010-cpt-fee-schedule
- 94060: Bronchodilation responsiveness, spirometry pre and post — https://www.med-reveal.com/rates/94060-cpt-fee-schedule
- 94070: Bronchospasm provocation evaluation, multiple spirometric determinations — https://www.med-reveal.com/rates/94070-cpt-fee-schedule
- 94150: Vital capacity, total (separate procedure) — https://www.med-reveal.com/rates/94150-cpt-fee-schedule
- 94200: Maximum breathing capacity, maximal voluntary ventilation — https://www.med-reveal.com/rates/94200-cpt-fee-schedule
- 94375: Respiratory flow volume loop — https://www.med-reveal.com/rates/94375-cpt-fee-schedule

Commercial negotiated rates for 94664 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