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Test Directory

Carbohydrate, Urine

Test Summary

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.

Aliases

  • Reducing Substance

Specimen Collection

Special Instructions

N/A

Preferred Specimen

5 mL random urine

Minimum Volume

1 mL

Instructions

Collect an early-morning (preferred) random urine specimen.

Patient Preparation

N/A

Storage

Plastic screw-cap vial

Transport Temperature

Frozen

Specimen Stability

  • Room Temperature: N/A
  • Refrigerated: 21 Days
  • Frozen: 21 Days

Limitations

N/A

Other Acceptable Specimens

N/A

Unacceptable Specimens

N/A

Order Code

CHOU

EPIC (Premier) Code

LAB5333

Includes

N/A

CPT Code

  • 84379

Billing Code

  • 671187

CPT Statement

Methodology

Thin-Layer Chromatography (TLC), Qualitative

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.

Physician Attestation of Informed Consent

N/A

Testing Laboratory

Mayo Clinic Laboratories
200 First Street SW
Rochester MN, 55905

Department

Reference Testing

Reference Range

N/A

Setup Schedule / Expected Turnaround Time

Tuesday; Report available: 8 - 15 days

Specimen Collection

Special Instructions

N/A

Preferred Specimen

5 mL random urine

Minimum Volume

1 mL

Instructions

Collect an early-morning (preferred) random urine specimen.

Patient Preparation

N/A

Storage

Plastic screw-cap vial

Transport Temperature

Frozen

Specimen Stability

  • Room Temperature: N/A
  • Refrigerated: 21 Days
  • Frozen: 21 Days

Limitations

N/A

Other Acceptable Specimens

N/A

Unacceptable Specimens

N/A

Billing

CPT Code

  • 84379

Billing Code

  • 671187

CPT Statement

Result Information

Methodology

Thin-Layer Chromatography (TLC), Qualitative

Testing Laboratory

N/A

Reference Range

N/A

Setup Schedule / Expected Turnaround Time

Tuesday; Report available: 8 - 15 days