- DSM (Diagnostic and Statistical Manual of Mental Disorders) : DSM is the acronym of Diagnostic and Statistical Manual of Mental Disorders which is the official manual for diagnosing mental disorders in the United States, that contains a list of specific criteria for each disorder, how long a person's symptoms must be present to qualify for a diagnosis , and requirements that the symptoms interfere with daily functioning in order to be called disorders. Moreover, DSM is a book which contains a comprehensive classification of officially recognized psychiatric disorders published by the American Psychiatric Association that contains standard terms and definitions of psychological disorders for use by mental health professionals to ensure uniformity of diagnosis.
DSM-III refers to the third edition of the Diagnostic and Statistical Manual for Mental Disorders which was published in 1980. The DSM-III introduced revolutionary changes in the diagnostic system , including explicit, etiologically neutral diagnostic criteria and a multiaxial system of diagnosis.
DSM-IV refers to the 4th edition of "Diagnostic and Statistical Manual of Mental Disorders " (DSM) , a comprehensive classification of officially recognized psychiatric disorders which was issued in 1993.
The Diagnostic and Statistical Manual of Mental Disorders (DSM; latest edition: DSM-5-TR, published in March 2022) is a publication by the American Psychiatric Association (APA) for the classification of mental disorders using a common language and standard criteria and is the main book for the diagnosis and treatment of mental disorders in the United States and is considered one of the "Bibles" of psychiatry along with the ICD, CCMD and the Psychodynamic Diagnostic Manual.