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Carbohydrate, Urine
Test Code16204
CPT Codes
84379, 81005
Preferred Specimen
5 mL urine collected in a sterile plastic, screw-cap container
Minimum Volume
1 mL
Instructions
Patient's age is required.
Collect an early-morning (preferred) random urine specimen. No preservatives. All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.
Collect an early-morning (preferred) random urine specimen. No preservatives. All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.
Transport Temperature
Frozen
Specimen Stability
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 42 days
Refrigerated: Unacceptable
Frozen: 42 days
Methodology
Gas Chromatography/Mass Spectrometry (GC/MS)
FDA Status
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.
Setup Schedule
Set up: Tues; Report available: 3-9 days
Reference Range
See Laboratory Report
Clinical Significance
Screening for conditions associated with increased excretion of fructose, galactose, and xylose. This test is not recommended as a follow up test for abnormal newborn screening for galactosemia.
