Thyroglobulin Antibodies

Message

This test is currently only available in BHS CPRS. If you are a Bedford provider and wish to see this test offered in Bedford CPRS- please contact the Bedford Laboratory.

Testing performed at Quest Diagnostics.

Test Code

THYROGLOBULIN ABS(O)

CPT Codes
86800

Preferred Specimen

1 mL serum

Patient Preparation
Dietary supplements containing biotin may interfere in assays and may skew results to be either falsely high or falsely low. For patients receiving the recommended daily doses of biotin, draw samples at least 8 hours following the last biotin supplementation. For patients on mega-doses of biotin supplements, draw samples at least 72 hours following the last biotin supplementation.

Minimum Volume

0.5 mL

Instructions

If Thyroglobulin is ordered, please submit a separate vial.

⁠⁠⁠⁠⁠⁠⁠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

Room temperature

Specimen Stability

Room temperature: 7 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: Tues-Sat; Report available: 1-2 days

Limitations

Heterophil antibodies may produce falsely-elevated results.

Reference Range

≤1 IU/mL

Clinical Significance

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

Last Updated: December 19, 2016

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.