Test ID: MUGS
Hexosaminidase A (MUGS), Serum
Secondary ID 
A test code used for billing and in test definitions created prior to November 2011
NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.
Useful For Suggests clinical disorders or settings where the test may be helpful
A second-order test for diagnosing the B1 variant of Tay-Sachs disease
This test should be ordered when the patient exhibits Tay-Sachs symptoms, but has tested as normal, ambiguous, or carrier by either NAGS/8774 Hexosaminidase A and Total Hexosaminidase, Serum or NAGW/8775 Hexosaminidase A and Total Hexosaminidase, Leukocytes.
Genetics Test Information Provides information that may help with selection of the correct test or proper submission of the test request
This test should only be used to investigate for the rare B-1 variant of Tay-Sachs disease.
This test should be ordered when the patient exhibits Tay-Sachs symptoms, but has tested as normal, ambiguous, or carrier by either NAGS/8774 Hexosaminidase A and Total Hexosaminidase, Serum or NAGW/8775 Hexosaminidase A and Total Hexosaminidase, Leukocytes. If you have questions, please call Mayo Medical Laboratories at 800-533-1710 or 507-266-5700 and ask for the on-call biochemical genetics counselor.
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
Fluorometric Manual Method Using 4-MUGS Substrate
Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
Aliases Lists additional common names for a test, as an aid in searching
B-1 Variant
B1 Variant
GM2 Gangliosidosis
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