|Values are valid only on day of printing.|
Detection of metachromatic leukodystrophy
First order ARSAW / Arylsulfatase A, Leukocytes and ARSU / Arylsulfatase A, 24 Hour, Urine.
Metachromatic leukodystrophy (MLD) presents with progressive neurologic changes and leukodystrophy with variable age of onset.
Arylsulfatase A enzyme levels are decreased in individuals with MLD, and excessive amounts of sulfatides are present in urine.
Decreased arylsulfatase A enzyme levels can be seen in unaffected individuals who have a pseudodeficiency of arylsulfatase A.
|Test ID||Reporting Name||Available Separately||Always Performed|
|CRYOB||Cryopreserve for Biochem Studies||No||Yes|
When this test is ordered, a fibroblast culture and cryopreservation for biochemical studies will always be performed at an additional charge. However, for multiple lysosomal enzyme assays on a patient utilizing fibroblast culture, only 1 culture is required regardless of the number of enzyme assays ordered. If viable cells are not obtained within 10 days, client will be notified.
ARST: Colorimetric Enzyme Assay
FIBR: Cultivated from Biopsy as Monolayer
CRYOB: Fibroblast Subculture Followed by Cryopreservation and Storage