Test ID: ARSAW
Arylsulfatase A, Leukocytes
Secondary ID 
A test code used for billing and in test definitions created prior to November 2011
8779
Useful For Suggests clinical disorders or settings where the test may be helpful
Preferred test to rule-out metachromatic leukodystrophy.
Genetics Test Information Provides information that may help with selection of the correct test or proper submission of the test request
Preferred test to rule-out metachromatic leukodystrophy. Not
reliable in identifying carriers due both to analytical variation
and unusual genetic variants. The urine assay should be used
to confirm leukocyte results.
Special Instructions and Forms Describes specimen collection and preparation information, test algorithms, and other information pertinent to test. Also includes pertinent information and consent forms to be used when requesting a particular test
Method Name A short description of the method used to perform the test
Colorimetric Enzyme Assay
Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
Arylsulfatase A, Leukocytes
Aliases Lists additional common names for a test, as an aid in searching
ARSA Deficiency
ARYLSULFATASE A (WBC)
Arylsulfatase A Deficiency
Metachromatic Leukodystrophy
MLD
WBC Aryl Sulfatase A
ARYLSULFATASE A (WBC)
Arylsulfatase A Deficiency
Metachromatic Leukodystrophy
MLD
WBC Aryl Sulfatase A
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