Last Modified:
3/10/2021 8:49:19 AM
Medical Necessity Documentation:
Client Notes:
Please contact PHL Client Response at 266-1500 to schedule an appointment
Patient Preparation:
Overnight Fasting
Specimen Requirements:
4.0 mL Whole Blood in a Grey Top Tube - Na Flouride
Collection Instructions:
Draw patient 1 hour after oral ingestion of d-Xylose
Label sample vial with patient's name and the time of collection postdose (e.g., 1 hour, etc.).
Minimum Volume:
1.0 mL
Transport & Storage: Temperature/Stability:
7 days Ambient
7 days Refrigerated
30 days Frozen
Transport Ambient
Reference Range:
< 6 years: > 14.9 mg/dL
> 6 years: > 19.9 mg/dL
Critical Ranges:
Test Comments:
Methodology:
Colorimetric
Clinical Significance:
Xylose Absorption Test is useful in screening for carbohydrate malabsorption.
Documentation:
There are only a few mild adverse reactions reported with this test. They include nausea, cramping and diarrhea for a few hours.
Custom Panel:
No
PRODUCTION SCHEDULE
Turn Around Time:
3 to 6 days
Days Performed:
Monday, Thursday
Sites Performed:
Quest - Chantilly
PHL Test Code:
XYLOS
EPIC Test Code:
LAB2515
Send Out Test Code:
1199x (14733)
Alternate Test Names:
d-Xylose Absorption Test, Blood, 1 Hour; Xylose Absorption
Included Tests:
CPT Coding:
84620
Go back to the top of the page.