Hexosaminidase A & Total, Serum
Centralized Core Laboratory:Chemistry
Red top (no anticoagulant) tube
2.5 mL (minimum 1.5 mL)
Sent to reference lab
Heat Activation, Fluorometric, Automated
Please have patient fill out the Mayo Medical Laboratories' Tay-Sachs Disease Prevention Program Questionnaire. Pregnant females cannot be tested. It is suggested that the baby's father be tested for carrier status. If the father is a positive carrier, the pregnant female should be drawn for Hexosaminidase A & Total, Leukocytes test.
For Outpatients, test should only be drawn in outpatient locations within a Hospital (Akron or Beeghly).
Reference range is available on patient report