How Is High-Functioning Autism Diagnosed?

• June 9, 2025
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High-functioning autism isn’t an official diagnosis, but it’s often used to describe individuals on the autism spectrum who have strong verbal and cognitive skills. Diagnosing it still follows the same process as any autism spectrum disorder (ASD) diagnosis.

A qualified professional such as a developmental pediatrician or child psychologist will:

• Review the child’s developmental history
  
• Observe behavior and social interactions
  
• Use standardized tools like the ADOS-2 (Autism Diagnostic Observation Schedule)
  
• Possibly include input from caregivers and teachers

Even if a child speaks well or does well academically, signs of autism may include difficulty with social cues, rigid routines, sensory sensitivities, or intense interests. Early diagnosis is key to getting support like Applied Behavior Analysis (ABA) therapy, which can help build social, emotional, and daily living skills.

At Kids N Heart ABA, we offer personalized in-home ABA therapy throughout North Carolina to support children across the autism spectrum—including those considered high-functioning.

Think your child may be on the spectrum but not sure what to do next? Contact us today for a free consultation and get the clarity and support your family deserves.

SOURCES:

https://www.webmd.com/brain/autism/high-functioning-autism

https://www.thrivingwellnesscenter.com/blog/highfunctioningautismchecklist

https://www.healthline.com/health/high-functioning-autism

https://childmind.org/article/what-is-high-functioning-autism

https://www.autismspeaks.org/autism-diagnostic-criteria-dsm-5