The core activity of Diahem AG is the development, manufacture and distribution of products and services in the field of immunohematology, particularly for blood transfusion and clinical diagnostics. This includes, among other things: The production of reagents and equipment for blood group determination and blood compatibility testing; The development of software solutions for blood bank management and blood transfusion monitoring; The provision of quality assurance and technical support services in the field of immunohematology. The company is an official distributor of Bio-Rad Laboratories Inc. and offers a wide range of products and services for clinical diagnostics, blood transfusion and research.