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Interpretive Handbook

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Test 57325 :
Xylose Absorption Test (Child)

Clinical Information Discusses physiology, pathophysiology, and general clinical aspects, as they relate to a laboratory test

Several drugs can interfere with test results






-MAO inhibitors

-Nalidixic acid


-Opium alkaloids


Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.

Serum fasting specimen: No reference intervals for the fasting

serum: it is used as a blank when testing the one-hour specimen.


Serum xylose at 60 min:

0-5 months:                   15-58  mg/dL

6 months-16 years:        20-58  mg/dL


Xylose excretion, g/5 hr:

0-16 years:                    depends on dose given


Xylose excretion, % dose 5 hr:

0-16 years:                    16-40 %


Test Performed By:  ARUP Laboratories

                              500 Chipeta Way

                              Salt Lake City, UT  84108