非典型自闭症(Atypical Autism)又称为“待分类的广泛性发育障碍（Pervasive Developmental Disorder Not Otherwise Specified，PPD-NOS）”。 在2013年以前，它曾被用来描述那些不完全符合其他具体诊断标准，但又确实患有自闭症的个体的症状。

PDD-NOS stands for Pervasive Developmental Disorder-Not Otherwise Specified. PDD-NOS was one of several previously separate subtypes of autism that were folded into the single diagnosis of autism spectrum disorder (ASD) with the publication of the DSM-5 diagnostic manual in 2013.

待分類的廣泛性發展障礙（Pervasive Developmental Disorder Not Otherwise Specified；簡稱PDD-NOS），亦作非典型自閉症，泛指一般有自閉症傾向，但不能透過其特徵而歸類為更具體的分類，是自閉症光譜的成員之一、廣泛性發展障礙的一種。

2023年5月19日 · PDD-NOS is an abbreviation for pervasive developmental disorder-not otherwise specified. In the past, this was considered a category of autism. It’s no longer a...

Pervasive developmental disorder not otherwise specified (PDD-NOS) [1] is a historic psychiatric diagnosis first defined in 1980 that has since been incorporated into autism spectrum disorder in the DSM-5 (2013).

2023年4月26日 · 待分类的广泛性发展障碍（Pervasive Developmental Disorder Not Otherwise Specified；简称PDD-NOS），亦作非典型自闭症，泛指一般有自闭症倾向，但不能透过其特征而归类为更具体的分类，是自闭症光谱的成员之一、广泛性发展障碍的一种。

待分类的广泛性发展障碍（Pervasive Developmental Disorder Not Otherwise Specified，简称PDD-NOS）亦作非典型自闭症，泛指一般有自闭症倾向，但不能透过其特征而归类为更具体的分类，是自闭症光谱的成员之一、广泛性发展障碍的一种。

2024年8月11日 · Explore PDD-NOS, its symptoms, diagnosis, treatments, and support for individuals and families affected by autism spectrum disorders.

2024年10月2日 · Individuals with PDD-NOS experience challenges in social interaction, communication, repetitive behaviors, sensory experiences, and executive functioning. Recognizing the spectrum nature of ASD and the variations within PDD-NOS is essential for accurate diagnosis and support.

PDD-NOS is included in the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) to encompass cases where there is marked impairment of social interaction, communication, and/or stereotyped behavior patterns or interest, but when full features for Autism or another explicitly defined PDD are not met.