The commercial manufacturers and laboratories listed below have notified FDA that they have validated and are offering serology tests as set forth in Section IV.D of the FDA’s Policy for Diagnostic Tests for Coronavirus Disease-2019. The FDA has not reviewed the validation of tests offered by these developers, who may not be pursuing EUAs, and is including this list here to provide transparency regarding the notifications submitted to FDA. Laboratory Notifications: Arrayit Corporation Beaumont Health Boston Heart Diagnostics DLS Research & Ventures EDP Biotech Corporation Emory Medical Laboratories IMMYLabs Mayo Clinic Michigan Health Clinics