HEXOSAMINIDASE A AND TOTAL HEXOSAMINIDASE, SERUM

Mnemonic

MISC

Synonym

Tay-Sachs - GM2 gangliosidosis - Tay-Sachs Carrier Screen

Guidelines

Carrier testing for males and nonpregnant females.

Specimen Collection Requirements

Collect

Serum, one plain red or gold (SST) top tube

Handling

Please notify Legacy Laboratory Referral Department of all Hexosaminidase testing at (503) 413-5106. Molecular Genetics-Biochemical Disorders Patient Information Sheet is required. This form is available from Legacy Client Services and on the web.

Minimum Volume

1.0 mL

Transport

Frozen

Rejection Criteria

Hemolysis, lipemia or ambient specimens

Stability

Ambient: Unacceptable; Refrigerated: 7 days; Frozen: 30 days

Testing Information

Performed

Varies

Reported

14 days

Method

Heat inactivation, Fluorometric, Automated

Referral Lab

Mayo Medical Laboratory (NAGS)

Reference Values

Reference Values

Interpretation to follow.

CPT Codes

83080 x2

Last Updated: Thursday, January 5, 2017 03:42:14 AM