Thyroglobulin Antibodies Test
The thyroglobulin antibodies test measures antibodies directed against thyroglobulin in a blood sample. Quest describes it as used in the diagnosis and management of a variety of thyroid disorders.
About this test
Thyroglobulin antibodies are proteins the immune system makes against thyroglobulin, a protein produced by the thyroid gland. Quest lists this test as used in the diagnosis and management of a variety of thyroid disorders, including Hashimoto's thyroiditis, Graves' disease, and certain types of goiter, and the result is produced from a serum sample using immunoassay methodology.
Who might consider this test?
- A single antibody result is read together with other thyroid findings and the clinical picture the clinician is working from.
Test details
| Quest code | 267 |
|---|---|
| Methodology | Immunoassay |
| Sample type | 1 mL serum |
| Collection | Quest patient service center |
Reference range
≤2 IU/mL
Reference ranges are general guidance. The range printed on your own laboratory report is the one that applies to your result.
Related tests and panels
Measures IgG, IgA, and IgM antibodies to beta-2-glycoprotein I, related to…
Measures C-reactive protein, a blood marker associated with inflammation in the…
Measures high-sensitivity C-reactive protein (hs-CRP), an inflammation marker…
Quest resources
Additional details
What this test looks at
The test reports the level of thyroglobulin antibodies present in a serum sample, measured using immunoassay methodology. Quest describes this measurement as part of the diagnosis and management of a variety of thyroid disorders.
Order online and a physician order is included — no doctor's visit and no insurance needed. Your sample is collected at a Quest Diagnostics patient service center.
Laboratory results should always be interpreted by a licensed clinician who knows your health history. This page is information about a test, not medical advice.
Frequently asked questions
What does the thyroglobulin antibodies test measure?
It measures antibodies directed against thyroglobulin, a protein made by the thyroid gland, using an immunoassay method on a serum sample.
How is the sample collected?
The test uses a 1 mL serum sample from a routine blood draw at a Quest Diagnostics patient service center.
Do I need to prepare for this test?
No preparation instructions are listed for this test, though people follow any instructions their ordering clinician provides.
What conditions is this test used for?
Quest lists this measurement as used in the diagnosis and management of a variety of thyroid disorders, including Hashimoto's thyroiditis, Graves' disease, and certain types of goiter.
How much does the Thyroglobulin Antibodies test cost?
The cash price at Celio Health is $35. That covers the physician's order and sample collection at a Quest patient service center — no insurance is needed and there's no separate doctor's visit to pay for.