Is Cyrex Testing Covered By Insurance?

Is Cyrex Testing Covered By Insurance? Cyrex’s Payment and Billing Policies. Cyrex Laboratories is not contracted with any health insurance providers and does not offer direct insurance or Medicare billing. Patients are financially responsible for services provided by Cyrex. What is cyrex testing? CyrexTM is a Clinical Immunology Laboratory Specializing in Functional Immunology and Autoimmunity.