Ongoing difficulties in the use of verbal and nonverbal communication for social purposes with:
Present from early childhood, these communication difficulties cause limitations across social, academic and occupational areas of functioning (either individually or in combination). In addition, these challenges may cause significant anxiety and may limit social inclusion and/or participation.
Link: DSM-V Social (Pragmatic) Communication Disorder Fact Sheet
American Psychiatric Association: Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition. Arlington, VA, American Psychiatric Association, 2013.