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ZNT8 Antibodies

Test ID: 


CPT code:



Zinc Transporter 8 Autoantibodies

Clinical Use:

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

Specimen Type:

Serum (preferred) or plasma (heparin)

Requested Volume: 

0.5 mL

Minimum Volume: 

0.2 mL (Note: This volume does not allow for repeat testing.)

Container Type: 

Red-top tube, gel-barrier tube, or green-top (heparin) tube


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

Rejection Criteria

Gross hemolysis; lipemic specimen; EDTA plasma

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