The book "Laboratory Knowledge for Medical Assistants" offers a comprehensive and practical introduction to the fundamental knowledge and work techniques of medical laboratory examinations. It is specifically designed for action-oriented teaching and supports learners in acquiring the necessary theoretical knowledge required for conducting laboratory tests. The content is clearly structured and includes a learning field assignment that allows for targeted exploration of laboratory-related topics. The newly written chapters on important subjects such as preanalytics, pregnancy, and quality assurance expand the knowledge and skills of the learners. With 143 pages, the book provides a clear and understandable presentation that is suitable for both classroom instruction and self-study.