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Anti-Thyroid Peroxidase IgG

Test Code: 322
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Clinical Utility

Anti-thyroid peroxidase antibodies have been implicated in thyroid autoimmune disease. In many cases of Hashimoto's disease and Graves' disease thyroid peroxidase autoantibodies are elevated.


The anti-thyroid peroxidase assay is performed on the Immulite 2000 analyzer system using highly purified human thyroid peroxidase coated beads. The assay is calibrated against WHO 1st IRP 66/387. This test has been cleared or approved for diagnostic use by the U.S. Food and Drug Administration.

3-5 business days from receipt of specimen

Specimen Type Order Code CPT Code NY Approved Volume Assay Range Special Instructions
serum 322 86376 Yes

1 mL (min. 200 uL)

10-1,000 IU/mL

  • Collect 1 mL, ambient, no special shipping requirements.
  • Stability 7 days refrigerated; 6 months frozen.

Specimens are approved for testing in New York only when indicated in the Specimen Information field above.

The CPT codes provided are based on Viracor Eurofins' interpretation of the American Medical Association's Current Procedural Terminology (CPT) codes and are provided for general informational purposes only. CPT coding is the sole responsibility of the billing party. Questions regarding coding should be addressed to your local Medicare carrier. Viracor Eurofins assumes no responsibility for billing errors due to reliance on the CPT codes illustrated in this material.

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