The test cannot diagnose autism spectrum disorder, nor is it designed to be used on its own. Instead, it is meant to help physicians rule out autism in children who have higher likelihoods of it.

A first-of-its-kind test claims to be able to help rule out autism in kids as young as 1 month using a single strand of hair, but not everyone is convinced that the technology is ready for prime time.

Mother discovers son's autism risk early using ClearStrand-ASD, a novel hair test, improving clarity during uncertain waiting periods for diagnosis. Skip Navigation Share on Facebook ...

A test that identifies biomarkers associated with autism just became available in most states. It's meant to help rule out autism in children who have higher likelihoods of it.