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Genetic Labs

Houston, Texas

Genetic Laboratory
Medical Genetics Laboratories
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Medical Genetics Test Details

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Tay-Sachs Disease Carrier Testing (Serum)
Hexosaminidase A Deficiency | Chronic and Adult-Onset Hexosaminidase A Deficienc | Juvenile (Subacute) Hexosaminidase A Deficiency | GM2 Gangliosidoses (Hexosaminidase A-Deficient) | HEX A Deficiency
Test Information: This test is provided for the purpose of carrier screening for Tay Sachs disease. For individuals of Ashkenazi Jewish descent, DNA analysis (#6003) Ashkenazic Disease Screening Panel with enzymatic testing is recommended.
Test Details
Test Code: 4617
Special Notes: This serum test cannot be performed on pregnant women. For pregnant women, either (#4620) WBC Tay Sachs Carrier Testing, (#6066) Tay Sachs DNA analysis or (#6001) Ashkenazic Disease Screening Panel without enzymatic testing are recommended for Tay Sachs testing.

Technical Information
Methodology: Fluorimetric
Gene Name: HEXA, HEXB
Protein Name: Beta-hexosaminidase subunit alpha, Beta-hexosaminidase subunit beta
Test Type: Enzyme Analysis
References Values or Ranges: Ranges are available on report.
Sample & Shipping Information
Test Requisition: Biochemical
Specimen Type: Serum
Requirements: Draw the sample in a red top tube. Separate and send 3-5 ml of serum.
Shipping Conditions: Ship on dry ice in an insulated container by overnight carrier

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


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