Exagen Inc. (NASDAQ:XGN), a leading provider of autoimmune testing solutions, announced today the addition of Exagen Inc. to MediNcrease Health Plans, LLC's national provider network, providing enhanced care to their approximately 7.5 million commercial lives. The agreement, effective July 1, 2022, with MediNcrease will make AVISE® tests, including AVISE® Lupus and AVISE® CTD accessible through MediNcrease's client base of regional and national health plans, insurance companies, employers, municipalities, third-party administrators, unions, and other companies involved in the management of medical claims.