The Diagnostic and Statistical Manual of Mental Disorders, or DSM, is a classification of mental disorders. It is provided in a common language format using standard criteria. It is published by the American Psychiatric Association. It is used mainly in the United States but in varying degrees clinicians, researchers, mental health professionals, policy makers, clinicians, and other around the world also may use. Its intent is to be applicable to a wide variety of contexts. There are three major components of the DSM.
They are the diagnostic classification, the diagnostic criteria sets, and the descriptive text. The diagnostic classification is the list of the mental disorders that are officially part of the DSM system. The diagnosis using the DSM classification involves selecting those disorders from the classification that best reflect the signs and symptoms that are afflicting the individual who is being evaluated. There is a diagnostic code that is associated with each diagnostic label. This code is typically used by institutions and agencies for data collection and billing purposes. These diagnostic codes are derived from the coding system used by all health care professionals in the United States, known as the ICD-9-CM.
The set of diagnostic criteria that indicate what symptoms must be present and how long they are present in order to qualify for a diagnosis. This diagnosis is called inclusion criteria. It will also include those symptoms that must not be present, or exclusion criteria, in order for an individual to qualify for a particular diagnosis. These criteria are only guidelines.
The third component of the DSM is the descriptive text that accompanies each disorder. The text of DSM-IV systematically describes each disorder under the following headings: "Diagnostic Features"; "Subtypes and/or Specifiers"; "Recording Procedures"; "Associated Features and Disorders"; "Specific Culture, Age,