PDD-NOS is a diagnosis given to individuals that do not meet the criteria for an
autismAutism
Autism - resources diagnosis because of late development of symptoms or symptoms that do not meet the required threashold. Usually this is given if there is impairment in communication and social interaction and/or the presence of stereotyped patterns of behavior. This is often a matter of judgment on the part of the diagnostician. It may be that a new diagnostician would change the previous diagnosis or it may be that your son may now meet the criteria for a diagnosis of
autismAutism
Autism - resources. PDD-NOS is categorized in the DSM as one of the
autismAutism
Autism - resources disordersAdjustment disorder
Anorexia nervosa
Asperger syndrome
Autism
Autoimmune disorders
Bipolar disorder
Bipolar disorder
Bleeding disorders
Borderline personality disorder
Bulimia
Chronic motor tic disorder and, occasionally, a child will be diagnosed with PDD-NOS when there appears to be impairment but a full diagnosis of autism doesn’t seem warranted.