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T-Wave Alternans
Blue Cross & Blue Shield of Mississippi·MS · Cardiology, Internal Medicine, Family Medicine·Medical Policy
We identified it
Jun 20, 2026
Summary
T-wave alternans (CPT 93025) remains classified as investigational for risk stratification of fatal arrhythmias and sudden cardiac death in cardiac patients. This policy was reviewed on 03/26/2025 with no changes, confirming continued non-coverage status.
Action Required
Immediately: Billing team should verify that CPT 93025 (Microvolt T-wave alternans) is flagged as investigational/non-covered in billing system. Claims for this procedure will be denied as not medically necessary. Providers should be reminded that this test is considered investigational for all cardiac risk stratification purposes.