DSM-5 Library This link opens in a new windowThe Diagnostic and Statistical Manual of Mental Disorders (DSM) published by the American Psychiatric Association provides a common language and standard criteria for the classification of mental disorders. It is used in the United States and in varying degrees around the world, by clinicians, researchers, psychiatric drug regulation agencies, health insurance companies, pharmaceutical companies, and policy makers. The current version is the DSM-5® (fifth edition, text revision). It is organized into a five-part axis system, with the first axis incorporating clinical disorders and the second covering personality disorders and intellectual disabilities. The remaining axes cover related medical, psychosocial and environmental factors, as well as overall level of functioning.