PDD not otherwise specified

**PDD not otherwise specified**
*Classification & external resources*
ICD-10	F84.8
ICD-9	299.9

Pervasive Developmental Disorder - Not Otherwise Specified (PDD-NOS) is one of the pervasive developmental disorders and autism spectrum disorders.

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PDD-NOS is a diagnosis for people who are well-described by the "PDD" label, but can't be categorized by any other disorder. It is usually milder than autism and has similar symptoms to autism, with some symptoms present, and others absent.

References

Kennedy, Diane M. The ADHD-Autism Connection: A Step toward more accurate diagnosis and effective treatment ISBN 1-57856-498-0
Yale Developmental Disabilities Clinic
Matson JL, Wilkins J, Smith K, Ancona M (2007). "PDD-NOS symptoms in adults with intellectual disability: toward an empirically oriented diagnostic model". J Autism Dev Disord. doi:10.1007/s10803-007-0422-0. PMID 17687639.

v • d • e Pervasive developmental disorders / Autism spectrum
Main	Causes \| Comorbid conditions \| Epidemiology \| Heritability \| Sociological and cultural aspects \| Therapies
Diagnoses	Asperger syndrome \| Autism \| Childhood disintegrative disorder \| Fragile X syndrome \| Multiple-complex Developmental Disorder \| PDD-NOS \| Rett syndrome \| Semantic Pragmatic Disorder
Controversies	Autism rights movement \| Autistic enterocolitis \| Chelation \| Ethical challenges \| MMR vaccine controversy \| Neurodiversity \| Refrigerator mother \| Thiomersal controversy
Lists	Autism-related topics \| Fictional characters \| Further reading on Asperger syndrome \| People on the autistic spectrum \| People speculated to have been autistic
Groups	Aspies For Freedom \| Autism Society of America \| Autism Speaks \| Generation Rescue \| National Autism Association \| National Autistic Society \| Safe Minds \| Wrong Planet