A Blood Test for Autism (IMAGE) Rensselaer Polytechnic Institute Caption An algorithm based on levels of metabolites found in a blood sample has accurately predicted whether a child is on the Autism spectrum of disorder (ASD). Credit Rensselaer Polytechnic Institute Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.