{"id":"znt8-antibody","name":"ZnT8 Antibody (Zinc Transporter 8)","shortName":"ZnT8 Ab","aliases":["ZnT8 Antibody","Zinc Transporter 8 Antibody","ZnT8A","Zn T8 Ab","Anti-ZnT8","ZnT8 Antibodies","ZnT8 Ab, S","Zinc Transporter 8 (ZnT8) Antibody","Zinc Transporter 8 Antibodies","ZNT8 Autoantibodies","ZnT8 Autoantibody","Anti-Zinc Transporter 8","Zinc Transporter 8 Ab","ZnT8 IgG","SLC30A8 Antibody"],"abbreviations":["ZnT8A","ZnT8 Ab","Anti-ZnT8"],"loinc":[{"code":"76651-9","primary":true}],"specimen":"serum","units":[{"ucum":"[arb'U]/mL","display":"U/mL"}],"referenceRanges":[{"population":"Adults","low":0,"high":15,"unit":"[arb'U]/mL","unitDisplay":"U/mL","note":"Cutoff for the ELISA used by Quest (below 15 U/mL), ARUP (0.0 to 15.0 Kronus Units/mL, which ARUP equates with U/mL) and the Mayo Clinic Laboratories send-out listing (below 15 negative, 15 or more positive). ARUP calls above 15.0 positive, and Quest lists below 15 U/mL as its range. Mayo states that its range applies to all ages. Labcorp's page lists U/mL but no range. Other kits can differ, so use the cutoff and flag printed on your own report.","sources":[{"title":"ZnT8 Antibodies (test FZNT8)","url":"https://www.mayocliniclabs.com/test-catalog/overview/75969/znt8-antibodies","publisher":"Mayo Clinic Laboratories"},{"title":"Zinc Transporter 8 (ZnT8) Antibody (test 93022)","url":"https://testdirectory.questdiagnostics.com/test/test-detail/93022/zinc-transporter-8-znt8-antibody?cc=MASTER","publisher":"Quest Diagnostics"},{"title":"Zinc Transporter 8 Antibody (test 2006196)","url":"https://ltd.aruplab.com/Tests/Pub/2006196","publisher":"ARUP Laboratories"}]}],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"A blood test for antibodies against zinc transporter 8 (ZnT8), a protein in insulin-making cells. A positive result is linked to type 1 diabetes.","url":"https://bloodtesttracker.com/markers/znt8-antibody","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}