DiaSorin develops and manufactures reagents for in vitro diagnostics. It has products in the fields of infectious disease, hepatitis, endocrinology, bone and mineral metabolism, cancer, brain injury, cardiac, therapeutic drug monitoring, and autoimmunity. The company was formerly known as ImmunoNuclear Corporation. Operating through two dozen subsidiaries, DiaSorin has sales organizations in more than 60 countries.The company was founded in 1975 and is based in Stillwater, Minnesota. It operates as a subsidiary of DiaSorin S.p.A.