<<Disclaimer: Verify this information before applying it to your situation.>> Nobody knew if stool and saliva tests are accurate indicators of gluten intolerance. However, several people recommended that I check out Dr. Kenneth Fine's WEB site, www.finerhealth.com, as he utilizes stool testing. Another person recommended checking out the following web site for indepth explanations of tests and what they mean: www.enabling.org/ia/celiac/diag-tst.html#US Sue