CommercialCoverageLow impact
Grenz Ray Therapy for Skin Disorders
Blue Cross & Blue Shield of Mississippi·MS · Dermatology·Medical Policy
Effective date
Dec 5, 2024
We identified it
Jun 20, 2026
Summary
BCBS Mississippi policy L.8.01.402 confirms that Grenz ray therapy for skin disorders remains classified as investigational and is not covered. This policy was reviewed on 12/05/2024 with no changes to the coverage determination.
Action Required
Immediately: Billing team should ensure CPT 77499 (unlisted therapeutic radiology procedure) for Grenz ray therapy is flagged as non-covered/investigational for BCBS Mississippi plans. If providers offer this treatment, patients must be informed it will not be covered and alternative billing arrangements made.