# CPT 94681: Oxygen uptake with CO2 output, rest and exercise, direct

Medicare CPT 94681 pays $50.10 in a non-facility setting and $50.10 in a facility setting under the 2026 Medicare Physician Fee Schedule, before geographic adjustment. After geographic adjustment, state amounts run from $43.63 in Arkansas to $58.13 in District of Columbia, a 33% spread.

Web page: https://www.med-reveal.com/rates/94681-cpt-fee-schedule
Section: Medical and Therapeutic Services
Billed by: Pulmonary Disease

## Medicare rates

| | Amount |
| --- | --- |
| National non-facility | $50.10 |
| National facility | $50.10 |
| Conversion factor | 33.4009 |
| Release | 2026 Q4 (effective 2026-10-01) |

## By state

| State | Non-facility | Facility |
| --- | --- | --- |
| District of Columbia | $58.13 | $58.13 |
| California | $57.66 | $57.66 |
| Washington | $56.04 | $56.04 |
| New Jersey | $55.88 | $55.88 |
| Alaska | $55.75 | $55.75 |
| New York | $55.68 | $55.68 |
| Hawaii | $55.49 | $55.49 |
| Massachusetts | $55.37 | $55.37 |
| Connecticut | $53.71 | $53.71 |
| Colorado | $52.68 | $52.68 |
| Oregon | $52.15 | $52.15 |
| Maryland | $52.07 | $52.07 |
| New Hampshire | $51.72 | $51.72 |
| Rhode Island | $51.52 | $51.52 |
| Florida | $51.19 | $51.19 |
| Minnesota | $50.63 | $50.63 |
| Puerto Rico | $50.55 | $50.55 |
| Virgin Islands | $50.55 | $50.55 |
| Montana | $50.10 | $50.10 |
| Nevada | $49.98 | $49.98 |
| Wyoming | $49.84 | $49.84 |
| Illinois | $49.61 | $49.61 |
| Delaware | $49.52 | $49.52 |
| North Dakota | $49.51 | $49.51 |
| South Dakota | $49.44 | $49.44 |
| Texas | $49.41 | $49.41 |
| Pennsylvania | $49.36 | $49.36 |
| Vermont | $49.18 | $49.18 |
| Virginia | $49.09 | $49.09 |
| Arizona | $48.64 | $48.64 |
| Georgia | $48.36 | $48.36 |
| Michigan | $47.92 | $47.92 |
| Maine | $47.84 | $47.84 |
| Wisconsin | $47.63 | $47.63 |
| Utah | $47.45 | $47.45 |
| North Carolina | $46.90 | $46.90 |
| New Mexico | $46.78 | $46.78 |
| South Carolina | $46.73 | $46.73 |
| Missouri | $46.59 | $46.59 |
| Indiana | $46.49 | $46.49 |
| Louisiana | $46.46 | $46.46 |
| Ohio | $46.42 | $46.42 |
| Nebraska | $46.21 | $46.21 |
| Idaho | $46.18 | $46.18 |
| Iowa | $45.89 | $45.89 |
| Tennessee | $45.78 | $45.78 |
| Kansas | $45.53 | $45.53 |
| Oklahoma | $45.34 | $45.34 |
| Kentucky | $45.31 | $45.31 |
| West Virginia | $44.98 | $44.98 |
| Alabama | $44.36 | $44.36 |
| Mississippi | $43.94 | $43.94 |
| Arkansas | $43.63 | $43.63 |

## 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 94681 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