The Diagnostic and Statistical Manual of Mental Disorders (DSM) published by the American Psychiatric Association (APA) provides a common language and standard criteria for the classification of mental disorders. The DSM is used in the United States and to various degrees around the world. It is used or relied upon by clinicians, researchers, psychiatric drug regulation agencies, health insurance companies, pharmaceutical companies, the legal system, and policy makers. The current version, published on May 18, 2013, is the DSM-5 (fifth edition). [Wikipedia]