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See a sample rate comparisonCPT 94450 Fee Schedule
Last Verified: October 2026
Healthcare providers use this code to document and receive reimbursement for visits that address moderate-level medical decision-making, often including multiple diagnoses or prescription management.
Breathing Response To Hypoxia
| Key Fact | Detail |
|---|---|
| Service Type | Medicine Services and Procedures Pulmonary Procedures |
| Common Place of Service | 62 - Comprehensive Outpatient Rehab Facility 11 - Office |
| Common Modifiers | 59 - Distinct Procedural Service 26 - Professional component |
| Complexity Level | Low |
| Medicare Fee Schedule | $113.56 national non-facility rate (2026) · View Medicare rates for 94450 |
| Medicaid Fee Schedule | $91.595 median of the 8 states in the free preview · View Medicaid rates for 94450 |
National average reimbursement for CPT 94450 by major payers:
$89.58
$81.42
$83.53
$113.53
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CPT 94450
5 of 25 sample ratesHigher to lower in this preview
Nicholas Hatzis
$144.80Published rateKaren Severson
Loyola University Medical Center
$126.58Published rateIllinois Professionals Health Program, LLC
Illinois Professionals Health Progr
$99.09Published rateRobert Egel
Robert T Egel M D S C
$42.34Published rateMartins Adeoye
$24.53Published rate
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See a sample payer proposalCPT 94450 vs. Other Pulmonary Procedures Codes
The CPT 94450 code is part of the Medicine Services and Procedures services used for Pulmonary Procedures. It represents a moderate-complexity encounter and is one of several codes that vary based on time spent, level of medical decision-making, and documentation requirements.
The CPT 94450 code involves more provider time and moderate medical decision-making, unlike lower-level codes that require less time and simpler assessments. It typically includes multiple diagnoses, medication management, or test interpretation, leading to higher reimbursement and more detailed documentation requirements.
| Code | Complexity | Description |
|---|---|---|
| 94375-CPT | Low | Test Change In Lung Volume, Measurement Of The Changes In Lung Volume Over Time As During A Series Of Tests. The Curve Described By The Values Can Help To Locate The Exact Place Where Airflow Is Restricted. |
| 94450-CPT | Low | Breathing Response To Hypoxia |
| 94452-CPT | Low | High Altitude Simulation Test, High Altitude Simulation Test (Hast) With Interpretation And Report By A Physician Or Other Qualified Health Care Professional |
| 94453-CPT | Low | High Altitude Simulation Test, High Altitude Simulation Test (Hast) With Interpretation And Report By A Physician Or Other Qualified Health Care Professional With Supplemental Oxygen Titration |
What is a fee schedule?
A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including CPT 94450. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.
Understanding the 94450 fee schedule helps patients estimate costs and providers optimize billing for accurate reimbursements.
Factors that affect fee schedules
Medicare & Medicaid Rates
Government-set reimbursement amounts
Private Insurance Rates
Negotiated rates between providers and insurance companies
Geographic Location
Costs may be higher in urban areas.
Provider Type
Hospital providers may have different rates than private practice.
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