Lisa Brandolo Johnson www.grembe.com I recently read about researchers who suspect that children with autism have a different chemical fingerprint in their urine than neurotypical children. While the researchers’ claims are questionable, a urine test for autism would save me so much emotional anguish. It isn’t that I really think my son was misdiagnosed and that he is on the spectrum — but it would just be a final answer. A yes or no test would be objective, it would remove the human element of error. It would be concrete. I am a parent of a child who, according to the Autism Diagnosis Observation Scale (ADOS), is classified as non-PDD.  This is good news, right?  This means all of his delays can go away, right? His clinical diagnoses of developmental delays, behavioral disturbance, and anxiety related to sensory issues? Without a test for autism, I am left wondering what it means for my…