Thyroid Peroxidase and Thyroglobulin Antibodies

Test Code

THRAS

Quest Code

7260

CPT Codes
86376, 86800

Preferred Specimen

1 mL serum

Minimum Volume

0.6 mL

Instructions

Administration of STRENSIQ may interfere in certain assays and may falsely elevate values. For patients receiving STRENSIQ, consideration should be given to using alternate methods.

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 4 days
Refrigerated: 7 days
Frozen: 28 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis • Grossly lipemic

Methodology
Immunoassay (IA)

Setup Schedule

Set up: Mon-Fri; Report available: 1-4 days

Reference Range

Thyroid Peroxidase Ab	<9 IU/mL
Thyroglobulin Ab	≤2 IU/mL

Clinical Significance

Measurement of thyroglobulin and thyroid peroxidase antibodies is useful in the diagnosis and management of a variety of thyroid disorders, including autoimmune thyroiditis, Hashimoto's thyroiditis, Graves' disease, certain types of goiter, and polyendocrine auto-immunopathies.

Performing Laboratory
Quest Diagnostics Nichols Institute Chantilly
14225 Newbrook Dr
Chantilly, VA 20153

Last Updated: January 31, 2020

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.