Interdisciplinary competence and practical relevance. Designated experts from all relevant fields cover all clinical pictures, from classification to aftercare. The content includes synopses on diagnostics and therapy, detailing classification, parameters, and dosages. It evaluates diagnostics and therapy, highlighting what is obligatory and what is optional. Practical test performance and interpretation of results are discussed, along with particularities in childhood and pregnancy. Monitoring answers and important parameters for success are emphasized, including the fourth place in treatment. The text also addresses diagnosis and therapy, specifying obligatory and optional aspects. Many new chapters are included, such as hormones and pregnancy, endocrinology in geriatric medicine, and polyendocrine diseases.