Exagen Inc. is a commercial-stage life sciences company. The Company offers physicians testing for patients and healthcare providers in diagnosis, prognosis, and monitoring of autoimmune conditions. The Company develops and commercialize testing products under the brand name AVISE. Its products include AVISE CTD, AVISE Lupus, AVISE APS, AVISE Vasculitis AAV, AVISE SLE Prognostic, AVISE Anti-CarP, AVISE PC4d, AVISE...