Unit Code 8779:
Arylsulfatase A, Leukocytes
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, Kinetic
Reporting Name
A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
Arylsulfatase A, Leukocytes
Ordering Mnemonic
An alternate Mayo code (to the Unit Code) for a test
ARSW
Aliases
Lists additional common names for a test, as an aid in searching
ARSA Deficiency
ARYLSULFATASE A (WBC)
Arylsulfatase A Deficiency
Metachromatic Leukodystrophy
MLD
Soft-ARSW
WBC Aryl Sulfatase A


