Innovations and Changes in the ICD-11 Classification of Mental, Behavioural and Neurodevelopmental Disorders

This article presents the major innovations and revisions introduced in the ICD-11 classification of mental, behavioural, and neurodevelopmental disorders developed by the World Health Organization. The authors describe changes in diagnostic organization, clinical utility, dimensional approaches, and cultural applicability compared with previous ICD versions. The paper emphasizes efforts to improve global relevance, scientific validity, and usability across diverse healthcare settings, while addressing emerging evidence in psychiatry, psychology, and neuroscience. The ICD-11 revisions aim to strengthen diagnosis, treatment planning, research, and international comparability in mental health care worldwide.