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HelpTest ID GALCR Galactocerebrosidase Reflex, Leukocytes
Specimen Required
Only orderable as a reflex. For more information see LSD6W / Lysosomal Disorders, Six-Enzyme Panel, Leukocytes.
Container/Tube:
Preferred: Yellow top (ACD solution B)
Acceptable: Yellow top (ACD solution A) or lavender top (EDTA)
Specimen Volume: 6 mL
Collection Instructions: Send whole blood specimen in original tube. Do not aliquot.
Secondary ID
606280Useful 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
This test is not recommended for carrier detection because of the wide range of enzymatic activities observed in carriers and noncarriers.
Specimen Type
Whole Blood ACDSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Whole Blood ACD | Refrigerated (preferred) | 6 days |
| Ambient | 6 days |
Reject Due To
| Gross hemolysis | Reject |
Reference Values
Only orderable as a reflex. For more information see LSD6W / Lysosomal Disorders, Six-Enzyme Panel, Leukocytes.
≥0.300 nmol/hr/mg protein
Day(s) Performed
Preanalytical processing: Monday through Saturday
Testing performed: Monday, Wednesday
Report Available
4 to 10 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
82542