Mayo Medical Lab
Other Reference Test
5-6 mL Whole Blood
Yellow (ACD), Solution B
Whole blood collected in an ACD Solution A (yellow-top) tube is also acceptable. Collect Monday-Thursday before 1300 only, no weekends or holidays. Include a completed Mayo Biochemical Genetics Patient Info form with specimen to lab.
Room Temp=6 Days; Refrigerated=6 Days; Frozen=Unacceptable
6 mL Whole Blood
5 mL Whole Blood
Submit a completed Mayo Biochemical Genetics Patient Info form with specimen. Order in Mayolink and send with Mayo courier Monday-Thursday.
Insurance authorization is requires prior to draw for Outpatients. MJ approval required for Inpatients. Testing begins with hexosaminidase A and total enzyme analysis. If the results are consistent with an affected or carrier for Tay-Sachs disease or Sandhoff disease, next generation sequencing to detect single nucleotide and copy number variants for HEXA or HEXB, respectively, will automatically be performed on the original specimen.
83080 (x2); 81406; 81479