ARYLSULFATASE A, LEUKOCYTES

ARYLSULFATASE A, LEUKOCYTES
Marquette General Health System

General Info

Alpha Code		A7944
MGH LIS Test No		7944
Schedule		Monday, Thursday
Testing Time		2 days
Testing Lab		Mayo Labs
QORR Test Code		A7944

Specimen Info

Type
Volume
Temperature		Refrigerate
Preservative
Collection Info		SAMPLE MUST ARRIVE WITHIN 48 HOURS OF DRAW. Draw blood in yellow-top (ACD) tube(s) and send 7.0 mL ACD whole blood refrigerated. (Keep specimen cool with frozen coolant April- October. Protect specimen from freezing by placing it in a bubble-pack bag [Supply T055} supplied by Mayo Medical Laboratories. Use refrigerated coolant November-March). SPECIMEN CANNOT BE FROZEN. Do not transfer blood to other containers. Mark "biological sample." See, "Table of Lysosomal Storage Disorders."

Specimen Acceptability

Methods
The leukocyte assay is the preferred test to order first to rule out metachromatic leukodystrophy. The urine assay should be used in confirming leukocyte results.
Clinical Utilities
CPT Codes
82657
Reference Range
> or = 2.5 U/10(10) cells
NOTE: Results from this assay may not reflect carrier status
because of individual variation of arylsulfatase A
enzyme levels.
Component Information
Collection Notes
Additional Comments

Questions or Comments email support@mgh.org

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