<prompt> Cause of False positive D-xylose test includes all of the following, exceptBacterial overgrowthRenal failureAscitisCeliac sprue  <response>: False positive D-xylose tests are seen inThird space collectionRenal insufficiencyDelayed gastric emptyingRapid intestinal transitVomitingBacterial overgrowthRef: Harrisons 18e p2467 