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Test Code GAAWR Acid Alpha-Glucosidase 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.


Useful For

Diagnosis of Pompe disease as a confirmatory reflex of the 6-enzyme panel

Method Name

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

 

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

Reporting Name

Acid Alpha-Glucosidase Reflex, WBC

Specimen Type

Whole Blood ACD

Specimen 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.

 

≥1.500 nmol/hour/mg protein

Day(s) Performed

Preanalytical processing: Monday through Saturday.

Assay performed: Monday, Wednesday

Report Available

4 to 10

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. It has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

82542