Carbohydrate, Urine

Test Code

16204

Includes

Reducing Substances
Xylose
Fructose
Galactose
Glucose
Sucrose
Lactose
Maltose
Raffinose

Preferred Specimen

Urine collected in Sterile Cup

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.

Transport Temperature

Frozen

Specimen Stability

Room temperature: Unacceptable
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.

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.