Home
HelpTest Code 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
This test is not recommended for carrier detection because of the wide range of enzymatic activities observed in carriers and noncarriers.
Reporting Name
Galactocerebrosidase Reflex, WBCSpecimen Type
Whole Blood ACDSpecimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| 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 Storage Disorders, Six-Enzyme Panel, Leukocytes.
≥0.300 nmol/hour/mg protein
Day(s) Performed
Preanalytical processing: Monday through Saturday.
Testing performed: Monday, Wednesday
Report Available
5 to 9 daysSpecimen Retention Time
WBC homogenate; 1 monthPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
82542