Test Directory

Test Code
ZT8A
Test Name
ZNT8 Antibodies
CPT Codes
86341
Expected Turnaround Time
6 - 9 days
Clinical Utility

Detects zinc transporter 8 autoantibodies (ZnT8), an autoimmune diabetes marker that is instrumental in the diagnosis of new-onset type 1 diabetes.

Specimen and Container Info

Specimen Type: Serum

  

Collection Container:  Gold Top, Serum Separator or Red Top, Plain

    

Desired Specimen Volume:  0.5 mL

Collection Instructions
  1. Collect specimen in gold top, serum separator tube or red top, plain tube via venipuncture.
Processing and Submission Instructions
  1. Separate serum from cells within 45 minutes of collection.
  2. Transfer 0.5 mL of serum to a clear aliquot tube.
Transport Instructions

Transport to the laboratory refrigerated. 

Stability Requirements

Room Temperature

7 days

Refrigerated

7 days

Frozen

64 days

Freeze/Thaw Cycles

 Stable x6

Causes for Rejection
  • Gross hemolysis
  • Lipemic specimen
  • EDTA plasma
Methodology
ELISA
Alternate Names

Zinc Transporter 8 Autoantibodies

Reference Lab
Labcorp Of America Holdings
Testing Schedule
Routine, 1 time per week