culture is done to find the cause of an infection, such as bacteria, a virus, a
fungus, or a parasite. To learn more, see the topic
A bowel transit time test
is done to help find the cause of abnormal movement of food through the
digestive tract. To learn more, see the topic
Bowel Transit Time.
absorption test is done to help diagnose problems that prevent the small
intestine from absorbing nutrients in food. This test may be done when symptoms
of malabsorption syndrome (such as chronic diarrhea, weight loss, and weakness)
are present. To learn more, see the topic
D-Xylose Absorption Test.
A stool analysis
to measure trypsin or elastase is not as reliable as the sweat test to detect
cystic fibrosis. To learn more, see the topic