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d-Xylose Absorption Test, Blood, Fasting [1198X]

Test Code
14727


CPT Codes
84620

Preferred Specimen
4 mL whole blood collected in a sodium fluoride (gray-top) tube


Patient Preparation
For fasting test, patient should fast overnight before blood collection.

Minimum Volume
1 mL


Transport Temperature
Room temperature


Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 30 days


Methodology
Colorimetry (C)

Setup Schedule
Set up: Mon, Thurs; Report available: 1-3 days


Reference Range

Accompanies report



Clinical Significance
The Xylose Absorption Test is useful in screening for carbohydrate malabsorption.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.