[IT standards for applications in telemedicine. Towards efficient data interchange in medicine].

Many health informatics IT-standards are already available to support future health telematics solutions. Establishing an infrastructure for secure and reliable communication is fundamental and turns out to be a mainly organizational issue. This article highlights the importance of consensus regarding the application concepts, which often takes a backseat compared to technical questions regarding transfer and representation. The article therefore focuses on the challenges of formalizing medical concepts and relationships. Examples for applicable standards are given and new developments are analyzed.