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Signal-Averaged Electrocardiography (ECG)(SAECG)
Blue Cross & Blue Shield of Mississippi·MS · Cardiology, Internal Medicine, Family Medicine·Medical Policy
We identified it
Jun 20, 2026
Summary
Signal-averaged electrocardiography (SAECG) remains classified as investigational and not covered for all applications. This policy was reviewed on 06/24/2024 with no changes to the existing investigational status that has been maintained since 1992.
Action Required
Billing team should ensure CPT code 93278 (Signal averaged electrocardiography) is flagged as non-covered/investigational in billing system. Claims for this procedure will be denied as investigational. Verify that encounter forms do not include this code as a billable option.