Consensus recommendations for diagnosis.

ASD is a complex neurodevelopmental disorder. Its diagnosis requires a developmental history. (B)

It is recommended that established diagnostic criteria, such as DSM-5, are used for diagnosis. (D)

Consider using the DSM-5 diagnostic criteria, as they enable diagnosis in adults and the diagnosis of co-occurring disorders. (D)

Research needs

Further studies are required to evaluate the reliability and validity of the Social Communication Disorder diagnosis as a distinct disorder from ASD. (D)