|Values are valid only on day of printing.|
If hexosaminidase A is <63%, then TSDP / Tay-Sachs Disease, Mutation Analysis, HEXA will be added and performed at an additional charge.
Tay-Sachs Disease Carrier Testing Protocol
Tay-Sachs and Related Disorders Diagnostic Testing Algorithm
Specimen must arrive within 96 hours of draw to be stabilized. Draw specimen Monday through Thursday only and not the day before a holiday. Specimen should be drawn and packaged as close to shipping time as possible.
Preferred: Yellow top (ACD solution B)
Acceptable: Yellow top (ACD solution A)
Specimen Volume: 6 mL
Collection Instructions: Do not transfer blood to other containers.
1. Biochemical Genetics Patient Information (T602) in Special Instructions
2. New York Clients-Informed consent is required. Please document on the request form or electronic order that a copy is on file. An Informed Consent for Genetic Testing (T576) is available in Special Instructions.
3. If not ordering electronically, complete, print, and send a Molecular Genetics Request Form (T245: available from the supply catalog)
Mild OK; Gross reject
Specimens >96 hours old
|Whole Blood ACD||Refrigerated (preferred)||4 days|