<prompt> Cause of False positive D-xylose test include all of the following, ExceptBacterial overgrowthRenal failureAscitisCeliac sprue  <response>: Answer is D Celiac sprue Celiac sprue is associated with a positive D- xylose and not a False positive Dxylose test. D-xylose Test Positive test ecreased 4 D- Xylose excretion in urine due to malabsorption from gastrointestinal mucosal disease Causes Include Celiac disease Tropical sprue Whipples disease Other mucosal diseases 