S3904 Masters two step
Also known as: Master's two-step test, exercise tolerance test
Submaximal exercise tolerance test using a two-step platform to evaluate cardiac response and exercise capacity without achieving maximal exertion.
In Plain Language
stepping exercise test for heart; cardiac fitness test
Clinical Context
Used in cardiology for exercise stress testing in patients unable or unwilling to undergo treadmill testing.
RVU Information
CPT S3904 does not have a physician work RVU assigned by CMS. This is typical for supply, drug, and equipment codes — reimbursement is based on Average Sales Price (ASP), fee schedules, or payer contracts rather than the RVU system.
Billing & Documentation
S-codes are used by private payers (not Medicare) for services without a standard CPT or HCPCS code. Coverage varies significantly between insurers. Verify payer acceptance before billing and document medical necessity thoroughly.
Specialties
Frequently Asked Questions
What is CPT code S3904?
CPT S3904 (Masters two step) is a S Codes code. Submaximal exercise tolerance test using a two-step platform to evaluate cardiac response and exercise capacity without achieving maximal exertion.
Is S3904 covered by insurance?
S3904 is a temporary HCPCS code. Coverage varies by payer and may change when permanent codes are assigned. Used in cardiology for exercise stress testing in patients unable or unwilling to undergo treadmill testing.
When is CPT S3904 used?
Used in cardiology for exercise stress testing in patients unable or unwilling to undergo treadmill testing.
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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.