TAY SACHS, DNA BY PCR

Synonyms: Hexosaminidase A Deficiency; Tay-Sachs Disease, DNA Analysis
Computer Code: (RTYMD)
Specimen Collection: 10 mL blood (lavender or yellow top tube). 10 mL amniotic fluid, 20 mg chorionic villous sample or 3 buccal swabs also acceptable. (Submission of maternal blood is required for fetal testing.) Genetic Consent Required (see Test Requisitions and Consents #6).
Minimum Volume: WB: 3 mL, AF: 5 mL, CVS: 10 mL
Handling Instructions for Offsite Areas: Maintain unspun whole blood and other sample types at room temperature. Min 3 mL whole blood, 5 mL amniotic fluid, 10 mg CVS or 2 buccal swabs
Reference Values: See reference laboratory report.
Lab Code: CC REF
Requisition: SPEC C 06%20attestation%20for%20miscellaneous%20genetic%20testing.pdf?
Test Frequency: NA
Routine TAT: 10 days
Stat TAT: N/A
CPT Code(s): 81255
LCD or NCD:
Methodology Used:
See Addendum XVII