FEATURED STORY
Urine Test for Autism: How a New Study Could Help Diagnose Children
June 19, 2026
By: Denise Barnard MD
Read Time: 6 Minutes
Over the past 20 years, autism diagnoses have increased by about 300% in the United States. Spotting the developmental disorder sooner, rather than later, can mean better treatment options and improved outcomes for children and their families. Yet diagnosing autism spectrum disorder (ASD) accurately, and as early as possible, remains one of the most stubborn challenges in pediatric mental health.
A recent study from researchers at Arizona State University points to a different screening idea: a urine test that, in their research sample, identified children with autism with about 90% accuracy.
The Challenge of Accurate, Early Autism Diagnosis
Autism prevalence has climbed steadily for two decades. The most recent surveillance data from the CDC’s Autism and Developmental Disabilities Monitoring Network estimates that roughly 1 in 31 children in the United States has autism, up from 1 in 36 just two years earlier. Acro...
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