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D-xylose absorption

this test measures the intestines ability to absorb the simple Sugar, D-xylose. This is an indicator for whether or not nutrients are being absorbed properly in the intestine. This test is often used to evaluate persistent diarrhoea, weight loss, malnutrition and cases of suspected malabsorption. Abnormal results may be seen in the following conditions: crohns disease, giardiasis, hookworm infestation, radiation enteritis, celiac sprue, viral gastroenteritis and whipples disease.