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D-Xylose test. Values of D-Xylose in blood before, one and two hours after an oral dose of 25 g of D-Xylose as well as urine excretion over five hours.
| D-Xylose | Normal range | |
|---|---|---|
| Blood: | ||
| Baseline | Negative | Patient specific |
| After 1 hour | 181 mg/l | >200 mg/l |
| After 2 hours | 135 mg/l | >200 mg/l |
|
| ||
| Urine over 5 hours: | 2.2 g/5 h | >4.0 g/5 h |
