Autism Speaks is pleased to provide the full-text of the diagnostic criteria for autism spectrum disorder (ASD) and the related diagnosis of social communication disorder (SCD), as they appear in the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5). As of May 2013, psychologists and psychiatrists will be using these criteria when evaluating individuals for these developmental disorders. For further context, please see our full DSM-5 coverage here.