Alpha-Galactosidase, Leukocytes

Alpha-Galactosidase, Leukocytes

Test Code

37621
82657
37621
82657
This test is not available in all locations. Please provide SERVICE AREA INFORMATION to confirm Test Code for the lab that services your account or to find available tests you can order.
In-home collection is not available in your area through Quest Mobile.

Clinical Significance

Alpha-Galactosidase, Leukocytes - Diagnosis of Fabry disease in male patients. Verifying abnormal serum alpha-galactosidase results in male patients with a clinical presentation suggestive of Fabry disease.

Test Resources

None found for this test
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Test Details

Methodology

Flow Injection Analysis-Tandem Mass Spectrometry

Assay Category

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.

LOINC® Codes, Performing Laboratory

Methodology

Flow Injection Analysis-Tandem Mass Spectrometry
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.

Preferred Specimen(s)

6 mL whole blood collected in an ACD solution B (yellow-top) tube

Alternative Specimen(s)

ACD solution A (yellow-top) tube • EDTA (lavender-top) tube

Minimum Volume

4 mL

Collection 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.

Transport Container

ACD solution B (yellow-top) tube

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

  • Room temperature: 6 days
    Refrigerated: 6 days
    Frozen: Unacceptable

Reject Criteria

Gross hemolysis

Setup Schedule

6 mL whole blood collected in an ACD solution B (yellow-top) tube
ACD solution A (yellow-top) tube • EDTA (lavender-top) tube
4 mL
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.
ACD solution B (yellow-top) tube
Refrigerated (cold packs)
Room temperature: 6 days
Refrigerated: 6 days
Frozen: Unacceptable
Gross hemolysis
This test is not available in all locations. Please provide ACCOUNT INFORMATION NEEDED to confirm Test Code for the lab that services your account or to find available tests you can order.
In-home collection is not available in your area through Quest Mobile.
Test Details

Clinical Significance

Test Resources

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

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