Exagen Inc. announced that it has formed a Scientific Advisory Board (SAB) consisting of national experts in the clinical management of rheumatic autoimmune diseases including rheumatoid arthritis and lupus. Members of the SAB include; Dr. Arthur Weinstein, Dr. Joel Kremer, Dr. Anca Askanase, Dr. Andrew Concoff, Dr. Maureen McMahon, and Dr. Vasileios Kyttaris.