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At a Glance
Why Get Tested?
When to Get Tested?
When you have symptoms of malabsorption, such as persistent diarrhea and fatty stools
Timed blood samples drawn from a vein in your arm and timed urine collection
Test Preparation Needed?
Fast for 8 hours and avoid foods high in pentose, such as jams, fruits, and pastries, for 24 hours prior to the test. Ask your healthcare provider if there are any changes to your medications that you should make.