aTG Assay

Written by: Solaris Diagnostics

Thyroglobulin (TG) is the precursor of the thyroid hormones tri-iodothyronine (T3) and thyroxine (T4). Autoantibodies against thyroglobulin (aTG) is an in-vitro assay used to aid in the diagnosis of Hashimoto’s and Grave’s disease, both of which are autoimmune diseases affecting the thyroid gland, as well as other thyroid disorders.

Symptoms of hypothyroidism (underactive thyroid) include but are not limited to fatigue, lethargy, mental impairment, hair loss, weight gain, depression, cold intolerance, etc. Symptoms of hyperthyroidism (overactive thyroid) include but are not limited to hyperactivity, weakness, palpitations, tremors, heat intolerance, weight gain, etc.

It is noted that approximately 82-100% of patients with Hashimoto’s thyroiditis and 60-70% of patients with Graves disease are anti-thyroglobulin antibody positive. aTG can be measured using a variety of methods including indirect immunofluorescence, agar gel diffusion precipitin, agglutination, RIA, complete fixation, ELISA, or chemiluminescence.

Solaris diagnostics aTG assay is a competitive immunoassay (IM) using direct chemiluminescent technology on an IM analyzer to determine the amount of aTG in patient samples, with results typically ready in 24 hours after receipt of the sample.

Benefits of Working with Solaris Diagnostics

Now you can provide patients with the quickest and most accurate diagnosis possible from our high-complexity, CLIA accredited laboratory. Choose Solaris Diagnostics for:

  • Simple collection
  • Results by 5:00 pm on the day the lab receives the specimen
  • Direct access to experienced scientific staff
  • Among the most personal customer service experiences in the industry

Our experts assist clinicians and health care providers in rapidly identifying the pathogens and underlying causes of disease. We know that fast and accurate diagnoses lead to better patient outcomes.

For more information call 844-550-0308 to speak with one of our staff. You may also use the form on our Contact Us page.

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