Frequently Asked Questions: Getting a Diagnosis of Autism Spectrum Disorder (ASD) in Adolescence or Adulthood?

Even though we have known about autism for several decades, it is still common for older youth or adults to come to the attention of clinicians while seeking assessment for a possible Autism Spectrum Disorder (ASD). Below are some of the most common questions from parents of youth or adults, or from the adults themselves, when seeking an ASD diagnosis.