D-xylose Absorption Test
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Test Overview
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 small intestine from absorbing nutrients in food.
D-xylose is normally easily absorbed by the intestines. When problems with absorption occur, D-xylose is not absorbed by the intestines, and its level in blood and urine is low.
| Last updated: | April 30, 2007 |
|---|---|
| Author: | Ralph Poore |
| Reviewed By: | Anne C. Poinier, MD - Internal Medicine, Peter J. Kahrilas, MD - Gastroenterology |
| Editors: | Susan Van Houten, RN, BSN, MBA, Tracy Landauer |
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