Diesse Diagnostica Senese SpA is an Italian company with integrated and entirely inhouse production of in vitro diagnostic systems. Its headquarters are in Siena. Since its foundation in 1980, the company has developed, produced and marketed innovative diagnostic systems primarily in the field of immunodiagnostics and automatic measurement of erythrocyte sedimentation rate (ESR). The company has a global presence in over 100 countries, three production sites and a research centre where the design and implementation of tests and new automated diagnostic detection tools meet Italian design and cutting-edge technology, making Diesse synonymous with “Diagnostic Evolution”.