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Genetic Labs

Houston, Texas

Genetic Laboratory
Baylor Genetics Laboratories
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Medical Genetics Test Details

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The American Medical Association (AMA) Current Procedural Terminology (CPT) codes and Healthcare Common Procedure Coding System (HCPCS) codes listed, are provided for informational purposes only. The codes reflect our interpretation of CPT/HCPCS coding requirements based upon AMA guidelines published annually. CPT/HCPCS codes are provided only as guidance to assist clients with billing. Baylor Genetics strongly recommends that clients confirm CPT/HCPCS codes with their Medicare Administrative Contractor (MAC) or other payer being billed, as requirements may differ. CPT coding is the sole responsibility of the billing party. Baylor Genetics assumes no responsibility for billing errors due to reliance on the CPT codes listed. Please direct any questions regarding CPT coding to the payer being billed.


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Tay-Sachs Disease Carrier Testing (Serum)
Hexosaminidase A Deficiency | Chronic and Adult-Onset Hexosaminidase A Deficiency | 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, (#4620) WBC Tay Sachs Carrier Testing without enzymatic testing is 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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