Business Description
Exagen Inc. is a US-based medical testing company that develops and sells a suite of diagnostic tools under the AVISE brand, helping doctors identify, assess, and track complex autoimmune conditions such as lupus and rheumatoid arthritis. Its tests analyze specific proteins and biomarkers found in patients' blood to support more accurate diagnosis and treatment decisions. Founded in 2002 and based in Vista, California, the company also collaborates with the Allegheny Health Network Research Institute to advance next-generation biomarker research.
