INSTAND e.V. is one of the world’s leading organisations for external quality assessment (EQA) in laboratory medicine, located in Düsseldorf, Germany. As a non-profit organization, it constitutes an interdisciplinary and independent scientific medical society with a unique and historically-grown network of outstanding experts in the different fields of laboratory medicine. As a recognized member of national and international scientific bodies, INSTAND e.V. works in close cooperation with national and international organisations that are shaped by their joint commitment for standardisation and quality control. INSTAND e.V. periodically organises national and international symposia, training courses and workshops. INSTAND e.V. is accredited in accordance with DIN EN ISO/IEC 17043.