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Test ID: ARSAS    
ARSA Gene, Full Gene Analysis

NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.

Conditional

Useful For Suggests clinical disorders or settings where the test may be helpful

Second-tier test for confirming a diagnosis of metachromatic leukodystrophy (MLD) based on clinical findings and low ARSA activity levels.

 

Carrier testing when there is a family history of MLD, but disease-causing mutations have not been previously identified

Reflex Tests Lists test(s) that may or may not be performed, at an additional charge, depending on the result and interpretation of the initial test(s)

Test IDReporting NameAvailable SeparatelyAlways Performed
FBCFibroblast Culture for Genetic TestYesNo

Testing Algorithm Delineates situation(s) when tests are added to the initial order. This includes reflex and additional tests.

If skin biopsy is received, fibroblast culture for genetic test will be added and charged separately.

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

ARSAS: Polymerase Chain Reaction (PCR) Followed by DNA Sequence Analysis

FBC: Cell Culture

(PCR is utilized pursuant to a license agreement with Roche Molecular Systems, Inc.)

Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name

ARSA Gene, Full Gene Analysis

Aliases Lists additional common names for a test, as an aid in searching

Metachromatic Leukodystrophy
Leukodystrophy
MLD
Arylsulfatase A Deficiency
Arylsulfatase A