ZnT8 Antibodies

CPT: 86341
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  • Zinc Transporter 8 Autoantibodies

Expected Turnaround Time

6 - 10 days

Specimen Requirements


Serum (preferred) or plasma (heparin)


0.5 mL

Minimum Volume

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


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

Causes for Rejection

Gross hemolysis; lipemic specimen; EDTA plasma

Test Details


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


Enzyme-linked immunosorbent assay (ELISA)


Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
503995 ZNT8 Antibodies 76651-9 504017 ZNT8 Antibodies U/mL 76651-9

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