DSM-IV: The 4th edition of “Diagnostic and Statistical Manual of Mental Disorders” (DSM) a comprehensive classification of officially recognized psychiatric disorders. DSM-IV was issued in 1993.
The International Statistical Classification of Diseases and Related Health Problems 10th Revision (ICD-10) is a coding of diseases and signs, symptoms, abnormal findings, complaints, social circumstances and external causes of injury or diseases, as classified by the World Health Organization. (WHO).
Pervasive Developmental Disorders
Developmental Disorders