skip to content »

Genetic Labs

Houston, Texas

Genetic Laboratory
Baylor Miraca Genetics Laboratories
not shown on screen

Medical Genetics Test Details

View Custom Req   |    Tests in Custom Req: 0
Search Tests: (Search by disease, test name, gene name, test code, or keyword. Return to test index.)

    Browse:  # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Arylsulfatase A Deficiency [Metachromatic Leukodystrophy] tests available.

Arylsulfatase A Deficiency | ARSA Deficiency | MLD

(Click the blue dot to view test details. Red dot = current test.)
Diagnostic Testing Familial Mutation/Variant Analysis Mutation Testing General Population Prenatal Diagnosis Presymptomatic Testing
Enzyme Analysis Arylsulfatase A Enzyme Analysis
Test Code: 4538
Sequence Analysis ARSA Sequence Analysis
Test Code: 6380
ARSA Sequence Analysis
Test Code: 6381

This test can only be performed if there is a previously identified familial mutation.
ARSA Sequence Analysis
Test Code: 6382

We require that the referring center consult with our laboratory genetic counselors regarding prenatal cases prior to submitting any samples. Please call 1-800-411-4363.
ARSA Prenatal Sequence Analysis (GeneAware)
Test Code: 60152

We require that the referring center consult with our laboratory genetic counselors regarding prenatal cases prior to submitting any samples. Please call 1-800-411-4363.


Arylsulfatase A Enzyme Analysis
Test Information: This test provides enzymatic analysis of Arylsulfatase A for Confirmation of Clinical Diagnosis.

Arylsulfatase A is deficient in Arylsulfatase A Deficiency [Metachromatic Leukodystrophy].
Test Details
Test Code: 4538
Special Notes: This test can also be performed on Skin fibroblast Culture (#4537)

Results from this test are not useful for Carrier Testing. Please note, carriers may have Arylsulfatase A levels in the normal range.
Technical Information
Methodology: Spectrophotometric
Gene Name: ARSA
Protein Name: Arylsulfatase A
Test Type: Enzyme Analysis
References Values or Ranges: White Blood Cells: 1.7-7.5 nmol/min/mg protein
Sample & Shipping Information
Test Requisition: Biochemical
Specimen Type: White Blood Cells (WBC)
Requirements: Draw blood in an ACD (yellow-top) tube(s) and send 7-10 cc (Adults/Children) and 3-5 cc (Infant<2yrs)
Shipping Conditions: Ship at room temperature in an insulated container by overnight courier to arrive within 36 hours of collection. Do not heat or freeze.

Turn Around Time: 14 days
Billing Information
List Price: *For Insurance or Institutional Prices, please call.
CPT Codes: 82657 x 1, 84155 x 1, 84311 x 1


Return to test index