The Diagnostic 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 essential that all clinicians become proficient in the use of this critical guide. In this online workshop the following will be discussed: • Elimination of the Multiaxial System • Case Formulation • Criterion for Clinical Significance • Diagnostic Criteria and Descriptors • Subtypes and Specifiers • Medication Induced Movement Disorders • Principle Diagnosis • Provisional Diagnosis • Coding and Reporting Procedures • Highlights of Changes from DSM-IV to DSM-5 • Overview of Disorders in theDSM-5 with a focus on Substance-Related and Addictive Disorders