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ATG (Anti Thyroglobulin Antibodies) Test

Report Delivery Time: Next Day

Recommended Gender: Both

Sample Type: Blood

The ATG (Anti-Thyroglobulin Antibodies) Test helps detect autoimmune thyroid disorders by measuring antibodies against thyroglobulin, a key protein in thyroid hormone production. It is commonly used to diagnose Hashimoto’s thyroiditis, Graves’ disease, and thyroid cancer monitoring.

1,100.00

Whatsapp

+919354028488

Email Address

info@hprimelabs.com

Email Address

customercare@hprimelabs.com

1,100.00

Whatsapp

+919354028488

Email Address

info@hprimelabs.com

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The ATG (Anti-Thyroglobulin Antibodies) Test is a blood test that detects antibodies against thyroglobulin, a protein produced by the thyroid gland. The presence of these antibodies indicates that the immune system is mistakenly attacking the thyroid, which can lead to hypothyroidism (underactive thyroid) or hyperthyroidism (overactive thyroid). This test is primarily used to diagnose autoimmune thyroid diseases and monitor thyroid cancer treatment.

Why is the ATG Test Done?

To diagnose autoimmune thyroid diseases – Helps confirm Hashimoto’s thyroiditis and Graves’ disease.
To assess thyroid function abnormalities – Determines if the thyroid is under attack by the immune system.
To monitor thyroid cancer treatment – Helps track recurrence or response to therapy in thyroid cancer patients.
To investigate unexplained thyroid symptoms – Used when a patient has goiter, fatigue, weight changes, or hormonal imbalances.

When Should You Get This Test?

📌 If you have symptoms like:

  • Unexplained fatigue or weakness
  • Sudden weight gain or loss
  • Swelling in the neck (goiter)
  • Hair thinning or excessive hair loss
  • Cold intolerance (feeling unusually cold)
  • Heart palpitations or rapid heartbeat

📌 If you have a family history of thyroid disorders.
📌 If you are undergoing thyroid cancer treatment and need monitoring.
📌 If your doctor suspects autoimmune thyroid disease.

How is the ATG Test Performed?

Preparation:

  • No fasting is required.
  • Avoid biotin supplements for 48 hours before the test.

Procedure:

  1. A blood sample is drawn from a vein in your arm.
  2. The sample is analyzed using CLIA (Chemiluminescent Immunoassay).
  3. Results are usually available within a few days.

Understanding the Results

Result Interpretation
Negative (Low ATG levels) No significant autoimmune thyroid activity
Moderate ATG levels Possible early-stage thyroid disease, further tests may be required
High ATG levels Strong indication of autoimmune thyroid disorder or thyroid cancer

A positive ATG test alone does not confirm a disease. It is usually combined with the Thyroid Peroxidase Antibodies (TPO) Test, TSH, and T3/T4 tests for a complete diagnosis.

Associated Conditions

📌 Hashimoto’s Thyroiditis (Autoimmune Hypothyroidism)
📌 Graves’ Disease (Autoimmune Hyperthyroidism)
📌 Thyroid Cancer (Monitoring & Follow-up)
📌 Goiter or Thyroid Nodules

Who Should Get This Test?

✔ Individuals with thyroid-related symptoms (fatigue, weight changes, goiter).
✔ Patients with a family history of autoimmune thyroid disease.
✔ Those being treated for thyroid cancer.
✔ People with unexplained infertility or miscarriage history (thyroid dysfunction can impact fertility).

Limitations of the Test

False positives can occur in people without thyroid disease.
Not a standalone diagnostic test – Should be combined with TPO Antibodies, TSH, and T3/T4 tests.
ATG levels may fluctuate – Monitoring over time is essential for accurate assessment.

Why is the ATG Test Important?

✔ Helps in the early detection of autoimmune thyroid disorders.
✔ Plays a critical role in thyroid cancer monitoring.
✔ Aids in preventing complications related to thyroid dysfunction.

The Anti-Thyroglobulin Antibodies (ATG) Test is essential for diagnosing thyroid autoimmune diseases and cancer monitoring, ensuring timely treatment and better thyroid health management.

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