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Alpha-Galactosidase, Leukocytes
Test Code37621
CPT Codes
82657
Preferred Specimen
6 mL whole blood collected in an ACD solution B (yellow-top) tube
Minimum Volume
2 mL
Other Acceptable Specimens
ACD solution A (yellow-top) tube • EDTA (lavender-top) tube
Instructions
Send specimen in original tube. Do not transfer blood to other containers. For optimal isolation of leukocytes, it is recommended the specimen arrive refrigerated within 96 hours of collection to be stabilized.
Collect specimen Monday through Thursday only and not the day before a holiday.
New York Clients-Informed consent is required.
Collect specimen Monday through Thursday only and not the day before a holiday.
New York Clients-Informed consent is required.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 72 hours
Refrigerated: 4 days
Frozen: Unacceptable
Refrigerated: 4 days
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis
Methodology
Flow Injection Analysis-Tandem Mass Spectrometry
FDA Status
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CUA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.
Setup Schedule
Set up: Varies; Report Available: 5-10 days
Report Available
10 Days
Reference Range
> or =10.32 nmol/h/mg Prot
Clinical Significance
Diagnosis of Fabry disease in male patients. Verifying abnormal serum alpha-galactosidase results in male patients with a clinical presentation suggestive of Fabry disease.
