Please find below the recordings of the online seminar “RET testing in routine diagnostics” from 28th September 2021 with the speakers PD Dr. med. Dr. nat. med. Udo Siebolts from the University Hospital Halle (Saale) and Prof. Dr. rer. nat. Sabine Merkelbach-Bruse from the University Hospital Cologne. The online seminar is divided into two topic-specific on-demand videos.