How Is High-Functioning Autism Diagnosed?

High-functioning autism isn’t a formal diagnosis, but it’s often used to describe individuals with autism spectrum disorder (ASD) who have average or above-average intelligence and can manage daily tasks independently. Diagnosis typically begins with developmental screenings during early childhood, especially if social, communication, or behavioral differences are noticed.

A formal evaluation is conducted by a team of specialists, often including psychologists, developmental pediatricians, and speech-language pathologists. They assess areas like social interaction, communication skills, sensory sensitivities, and repetitive behaviors. Standardized tools such as the Autism Diagnostic Observation Schedule (ADOS) and Autism Diagnostic Interview-Revised (ADI-R) are commonly used.


Because symptoms can be subtle, especially in those considered “high-functioning,” diagnosis may not occur until later in childhood or even adulthood. Early identification, however, is key to accessing support and services that can improve quality of life.


At Connect n Care ABA,  we specialize in personalized assessments and evidence-based ABA therapy in North Carolina for children across the autism spectrum. 


Schedule a consultation and learn how we can support your child’s unique journey. Contact us today!


SOURCES:


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


https://www.reddit.com/r/autism/comments/1dw1uni/what_are_signs_of_high_functioning_autism/


https://www.quora.com/Is-it-possible-for-an-adult-with-high-functioning-autism-to-receive-a-diagnosis-and-treatment


https://www.cdc.gov/autism/hcp/diagnosis/index.html


https://pmc.ncbi.nlm.nih.gov/articles/PMC3808966/


Fayge Orzel • October 21, 2025
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