ZnT8 Antibodies

TEST: 503995
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CPT: 86341
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Synonyms

  • Zinc Transporter 8 Autoantibodies

Expected Turnaround Time

6 - 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 and refrigerated for 7 days, or frozen 64 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)

LOINC® Map

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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The LOINC® codes are copyright © 1994-2021, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf