94450 Breathing response hypoxia
Also known as: hypoxic ventilatory response, breathing response test, hypoxia challenge
Testing of breathing response to hypoxia (reduced oxygen) to assess ventilatory drive and chemoreceptor function in response to low oxygen levels.
Clinical Context
Used to assess ventilatory control and identify patients with blunted hypoxic response or central sleep apnea-related conditions.
RVU Breakdown
| Work RVU | 0.39 |
| Practice Expense RVU | 2.97 |
| Malpractice RVU | 0.04 |
| Total RVU | 3.40 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Specialties
Track This Code in RVU Edge
Log procedures, calculate wRVUs, and benchmark against MGMA data — all in one app.
CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.