About Exagen Inc.

About Exagen Inc.


Exagen is dedicated to transforming the care continuum for patients suffering from debilitating chronic autoimmune diseases.

Our portfolio of innovative products enable timely differential diagnosis, prognosis, management, and optimization of therapeutic intervention.

Our Products

At Exagen, we continue translating our discovery and development into real solutions that are safe, reliable and cost effective. Our current AVISE® product line encompasses four game-changing products:


Our comprehensive diagnostic tool that is powered by scientifically proven CB-CAPs technology and designed specifically to help distinguish patients that have CTD or similar diseases with overlapping symptoms.

AVISE® SLE Prognostic

Developed as an add-on test to AVISE® CTD, AVISE® Prognostic helps assess a patient’s potential risk for organ involvement through Thrombosis, Cardiovascular events, Lupus Nephritis and Neuropsychiatric Lupus.

AVISE® SLE Monitor

AVISE® SLE Monitor is a unique laboratory monitoring tool leveraging the power of Erythrocyte-Bound C4d (EC4d) to help assess patients with SLE.

Our Mission

We exist to provide clarity in autoimmune disease decision making with the goal of improving patients’ clinical outcomes.