Esoterix
Expected Turnaround Time
3-10 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Specimen Requirements
Specimen
Serum (preferred) or plasma (heparin)
Volume
0.5 mL
Minimum Volume
0.2 mL (Note: This volume does not allow for repeat testing.)
Container
Red-top tube, gel-barrier tube, or green-top (heparin) tube
Collection
Serum or plasma must be separated from cells within 45 minutes of venipuncture. Transfer separated serum or plasma to a plastic transport tube. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
Storage Instructions
Freeze. Stable at room temperature, refrigerated, or frozen for seven days. Freeze/thaw cycles: stable x6.
Causes for Rejection
Gross hemolysis, lipemic specimen, EDTA plasma
Test Details
Use
Detects zinc transporter 8 autoantibodies (ZnT8), an autoimmune diabetes marker that is instrumental in the diagnosis of new-onset type 1 diabetes
Methodology
Enzyme-linked immunosorbent assay (ELISA)