Child Development Disorders, Pervasive [Disease/Finding] M0004062 Severe distortions in the development of many basic psychological functions that are not normal for any stage in development. These distortions are manifested in sustained social impairment, speech abnormalities, and peculiar motor movements. D002659 Child Development Disorders, Pervasive Pervasive Child Development Disorders Child Development Disorders, Pervasive C0008074 C1684 N0000000753 1028303 Mental Disorders Diagnosed in Childhood [Disease/Finding]