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Test ID: NAGS    
Hexosaminidase A and Total Hexosaminidase, Serum

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Secondary ID A test code used for billing and in test definitions created prior to November 2011

8774

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

Yes

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

Carrier detection and diagnosis of Sandhoff disease (NAGS / Hexosaminidase A and Total Hexosaminidase, Serum is the recommended test)

 

Carrier detection and diagnosis of Tay-Sachs disease (See also NAGR / Hexosaminidase A and Total, Leukocytes/Molecular Reflex and NAGW / Hexosaminidase A and Total Hexosaminidase, Leukocytes for additional testing options).

Genetics Test Information Provides information that may help with selection of the correct test or proper submission of the test request

This test is appropriate for carrier detection and diagnosis of both Sandhoff disease and Tay-Sachs disease. Refer to NAGR / Hexosaminidase A and Total, Leukocytes/Molecular Reflex or NAGW / Hexosaminidase A and Total Hexosaminidase, Leukocytes for carrier detection and diagnosis of Tay-Sachs disease.

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

The following algorithms are available in Special Instructions:     

Tay-Sachs Disease Carrier Testing Protocol

Tay-Sachs and Related Disorders Diagnostic Testing Algorithm

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

Heat Inactivation, Fluorometric, Automated

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

Hexosaminidase A and Total, S

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

B-N-Acetylglucosaminidase
Beta-N-Acetylglucosaminidase
GM2 Gangliosidosis
Hex A Deficiency
Hex B Deficiency
Hexosaminidase A Deficiency
Hexosaminidase B Deficiency
Hexosaminidase, Total
Sandhoff Carrier Screening
Sandhoff Carrier Testing
Sandhoff Disease
Sandhoff Disease Carrier Screening
Tay Sachs Disease
Tay-Sachs Disease Testing

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