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Interpretive Handbook

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Test 57321:
Xylose Absorption Test (Adult 25g dose)

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

Several drugs can interfere with test results

-Aspirin

-Atropine

-Cochicine

-Digitalis

-Indomethacin

-MAO inhibitors

-Nalidixic acid

-Neomycin

-Opium alkaloids

-Phenelzine

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 two-hour specimen.

 

Serum xylose at 2 hours:

17 years and older:  32-58 mg/dL

 

Xylose excretion, % dose 5 hr:

17-64 years:   16-40 %

65 years and older:   14-40 %

 

Xylose excretion, g/5 hr:

17-64 years:   4.0-10.0 g/5hrs

65 years and older:   3.5-10.0 g/5hrs

 

 

Test Performed By:  ARUP Laboratories

                              500 Chipeta Way

                              Salt Lake City, UT  84108