Abstract. Following the final approval of the ICD‐11 by the World Health Assembly in May 2019, the reporting of health statistics of the member states to the WHO to begin on January 1, 2022, is ahead. The changes in ICD-11 include new categories, flexible clinical descriptions without rigid adherence to strict diagnostic criteria, grouping in larger number, smaller, and more homogeneous sections not only on the basis of phenomenology but also according to hypothetical underlying common factors, lifespan scope of psychopathology, cultural specifics, and dimensional approach, particularly for schizophrenia and other primary psychoses and for personality disorders. The general principles and structure of the chapter for mental disorders, the new (and the dropped old ones) categories, the content of the sections with emphasis on the differences with ICD-10, as well as the perspectives and the impact on clinical practice – are all presented.

Key words: ICD‐11, diagnosis, mental disorder, dimensional approach, cultural specifcis

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