D-Xylose Absorption Test
The D-xylose absorption test measures the level of D-xylose, a type of sugar, in a blood or urine sample. This test is done to help diagnose problems that prevent the Reference small intestine Opens New Window from absorbing nutrients in food.
D-xylose is normally easily absorbed by the Reference intestines Opens New Window. When problems with absorption occur, D-xylose is not absorbed by the intestines, and its level in blood and urine is low.
|By:||Reference Healthwise Staff||Last Revised: Reference April 8, 2011|
|Medical Review:||Reference E. Gregory Thompson, MD - Internal Medicine
Reference Jerome B. Simon, MD, FRCPC, FACP - Gastroenterology