Test Overview
Test Methodology

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

Test Usage

Diagnosis of Krabbe disease
Follow-up testing for evaluation of an abnormal newborn screening result for Krabbe disease

Reference Range *

> or =0.300 nmol/hour/mg protein
An interpretative report will be provided.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Preanalytical processing: Monday through Saturday; Testing performed: Monday, Wednesday
Analytic Time

6 - 10 days

Soft Order Code
GALCW
Synonyms
    Laboratory
    Sendout
    Reference Laboratory
    Mayo GALCW
    Section
    Special Testing
    Specimen Requirements
    Collection Instructions

    Collect specimen in an ACD solution B tube. Send as intact whole blood to Specimen Processing refrigerated. Do not aliquot, send in original container

    Special Handling

    Do not aliquot, send testing in original container

    Alternate Specimen
    ACD solution B or EDTA lavender top
    Contraindications
    This test is not intended for carrier detection.
    Normal Volume
    6 mL whole blood
    Minimum Volume
    2 mL whole blood
    Storage Temperature
    Refrigerated preferred, ambient acceptable
    Additional Information

    Test performed by Mayo Clinic Laboratories

    Billing
    CPT Code
    82657
    NY State Approved
    No