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Recommendations when to order or not order the test. May include related or preferred tests.
Carrier screening or diagnostic testing for Tay-Sachs disease. For carrier screening in individuals of French-Canadian ancestry, consider ordering Tay-Sachs Disease (HEXA), 7 Variants (0051428).
New York DOH Approval Status
Indicates whether a test has been approved by the New York State Department of Health.
Testing is not New York state approved. Specimens from New York clients will be sent out to a New York state-approved laboratory.
Submit With Order
Forms, items and information to be submitted with a test order.
Gene Tested: HEXA (NM_000520) The pathogenic 7.6kb deletion specific to French Canadian populations is detected by this assay at reduced sensitivity.
Hotline History
History of test changes published on ARUP Hotlines for the last two years
N/A
CPT Codes
The American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
Other names that describe the test. Synonyms.
beta-hexosaminidase A
GM2 gangliosidosis
hexosaminidase A
Tay-Sachs disease
Tay-Sachs Disease (HEXA) Sequencing and Deletion/Duplication
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