The potential effect of the change from DSM IV to DSM 5 has generated quite a lot of interest within the autism community. Yes, I realize that is an understatement. In her presentation to the IACC, Sue Swedo (chair of the neurodevelopmental disorders work group for the DSM 5) stated that comments to the DSM 5 committee are running 10x higher for autism than any other diagnosis. This week another study on the potential changes caused by the change to DSM 5 was published: Exploring the Proposed DSM-5 Criteria in a Clinical Sample. This from York University in Toronto, Canada. This study points, as others have, to the DSM 5 not diagnosing children who would meet the autism criteria under DSM IV. 19% of children studied with autistic disorder under DSM IV would not be picked up by DSM 5, according to this study. A much larger fraction–83%–of those with DSM IV PDD-NOS diagnoses would not receive ASD diagnoses under DSM 5 (again, according to this study).
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