The Diagnostic Criteria and The 3 Levels of Autism

For concerned parents who are worried about their child's condition, here are some official guidelines for your reference.

Autism Spectrum Disorder (ASD) can vary widely from person to person, with symptoms appearing most notably as deficits in communication and social interactions, and the presence of repetitive and restricted patterns of behaviours. Also, symptoms are usually present in the early developmental years and can be diagnosed as early as 2 years of age.

According to the Diagnostic Statistical Manual 5 (DSM-V), the diagnostic criteria of ASD are: