DSM-5-TR - Diagnostic And Statistical Manual Of Mental Disorders, Fifth Edition, Text Revision (DSM-5-TR) This link opens in a new windowDiagnostic and Statistical Manual of Mental Disorders (DSM) is the standard classification of mental disorders used by mental health professionals in the United States. It is intended to be applicable in a wide array of contexts and used by clinicians and researchers of many different orientations. The DSM consists of three major components: the diagnostic classification, the diagnostic criteria sets, and the descriptive text.