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Arylsulfatase A

Item Value
Approval req'd? No
Available Stat? No
Test code ASUL
Performed by Quest
Sendout? Yes
Method Enzymatic
Container type Urine cup
Amount to Collect See preferred volume
Sample type Random urine
Preferred volume 20 mL urine
Min. Volume 8 mL urine
Processing notes Refrigerate, DO NOT freeze. Order Quest #34694X.
Ref Lab Rejection Criteria Room temp or frozen sample
Units U/L
Normal range > 2.4 U/L
Synonyms Multiple sulfatase deficiency; Sulfatase deficiency,multiple
Stability Refrigerated: 10 days
Turn around times Test run Tuesday & Thursday. Results available 2-4 days after set-up.
Additional information Absence of the enzyme Arylsulfatase A results in an accumulation in the cells of cerebroside sulfate (a toxic substance) which causes the disease metachromatic leukocystrophy (MLD). MLD is a lysosomal storage disorder disease in which the patient lacks a protein needed to metabolize ingested food. It is transmitted as an autosomal recessive trait and is characterized by a wide range of symptoms with both early and delayed onset forms. See also Lysosomal Disease.
CPT coding 84311-90
LOINC code 2061-0
Last Updated 3/24/2013 7:47:04 PM
Entry Number 73
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