The<unk>  <unk>  is a publication by the American Psychiatric Association that lists different categories and the diagnostic criteria for mental<unk> . There are multiple revisions of the<unk>  since it was first published in 1952. These revisions have made changes in the subsequent editions through the inclusion and removal of a number of psychiatric diagnostic entities. The lastest revision is in the form of<unk> -5. International Classification of Diseases (ICD) by WHO, is another commonly used classification system in psychiatry. Both<unk>  and ICD use hierarchical and categorical classification systems. Hierarchical classification is based on the idea that one diagnostic entity wins over the other. Categorical classification is based on the fact that every diagnosis is distinct.<unk>  is used worldwide by clinicians, researchers, insurance companies, pharmaceutical companies, legal systems, and policymakers. It has attracted praise, controversy, as well as criticism.
Diagnostic and statistical manual of mental disorders
Chinese Classification of Mental Disorders
Bipolar disorder classification
Attention-deficit hyperactivity disorder classification
Biological psychiatry
Personality disorder classification
Schizophrenia epidemiology and demographics
Bipolar disorder diagnostic criteria