DSM-IV Diagnosis & Codes
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. This website gives an easy-to-understand explanation of what DSM is and how it is used
DSM-IV is being updated in 2013. There is currently in use a DSM-IV-TR, which maintains the currency of the data contained in DSM-IV.