94621 Cardiopulm exercise testing
Also known as: cardiopulmonary exercise test, CPET, VO2 max testing
Cardiopulmonary exercise testing with comprehensive assessment of cardiovascular and pulmonary response to maximal exercise including electrocardiogram and gas exchange.
In Plain Language
complete exercise test; heart and lung exercise test
Clinical Context
Used to evaluate unexplained dyspnea, assess cardiac functional capacity, diagnose exercise limitations, and determine prognosis in cardiopulmonary disease.
RVU Breakdown
| Work RVU | 1.38 |
| Total RVU | 1.38 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
Medicine section codes cover a wide range of non-surgical services. Documentation should include the clinical indication, procedure details, interpretation (if applicable), and any patient-specific findings.
How This Code Compares
With a work RVU of 1.38, this code ranks in the 66th percentile among Medicine codes — 1.8x the median (0.78). The highest wRVU in this category is 23.92.
Specialties
Frequently Asked Questions
What is CPT code 94621?
CPT 94621 (Cardiopulm exercise testing) is a Medicine code. Cardiopulmonary exercise testing with comprehensive assessment of cardiovascular and pulmonary response to maximal exercise including electrocardiogram and gas exchange.
Who uses CPT code 94621?
CPT 94621 is used by Cardiology, Pulmonology, Sports Medicine. Used to evaluate unexplained dyspnea, assess cardiac functional capacity, diagnose exercise limitations, and determine prognosis in cardiopulmonary disease.
When is CPT 94621 used?
Used to evaluate unexplained dyspnea, assess cardiac functional capacity, diagnose exercise limitations, and determine prognosis in cardiopulmonary disease.
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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.