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Test ID GALCR Galactocerebrosidase Reflex, Leukocytes


Specimen Required


Only orderable as a reflex. For more information see LSD6W / Lysosomal Storage Disorders,  Six-Enzyme Panel, Leukocytes.


Useful For

Diagnosis of Krabbe disease as a confirmatory reflex of the six-enzyme panel

 

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

Method Name

Only orderable as a reflex. For more information see LSD6W / Lysosomal Storage Disorders, Six-Enzyme Panel, Leukocytes.

 

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

Reporting Name

Galactocerebrosidase Reflex, WBC

Specimen Type

Whole Blood ACD

Specimen Minimum Volume

2 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Whole Blood ACD Refrigerated (preferred) 4 days
  Ambient  72 hours

Reference Values

Only orderable as a reflex. For more information see LSD6W / Lysosomal Storage Disorders, Six-Enzyme Panel, Leukocytes.

 

≥0.30 nmol/hour/mg protein

Day(s) and Time(s) Performed

Specimens are processed Monday through Sunday.

Assay is performed: Varies

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information

82542

NY State Approved

Yes