Mild autism is unofficially used to describe level 1 autism, or high-functioning autism. People with mild autism might not get diagnosed until adolescence or adulthood because their traits are subtle.

Borderline autism is not a diagnosis — it is an informal term some people may use to describe mild symptoms of autism spectrum disorder (ASD). Social communication difficulties and repetitive ...

There are three levels of autism spectrum disorder (ASD), which are described in the Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM-5). Each autistic person is diagnosed as ...