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HomeAnswersEndocrinologyhashimoto's thyroiditisDoes thyroglobulin antibody of 479 IU/mL indicate Hashimoto's thyroiditis?

My TgAb is 479 IU/mL and thyroid peroxidase is 9 IU/mL. Can I have Hashimoto's thyroiditis?


The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

Medically reviewed by

Dr. K. Shobana

Published At August 3, 2021
Reviewed AtJune 9, 2023

Patient's Query

Hi doctor,

I did some blood tests before I start taking fertility treatment. I did not test FSH. I have a thyroglobulin antibody of 479 IU/mL and thyroid peroxidase less than 9.0 IU/mL. Does this mean that I have Hashimoto's thyroiditis?

Answered by Dr. Sugreev Singh


Welcome to icliniq.com.

Thank you for writing and I understand your concern.

I have gone through your reports and we can see that your thyroglobulin antibodies are high which indicates autoimmune diseases such as Grave's disease or Hashimoto's but there are other diseases that can also cause elevated TgAb (thyroglobulin antibodies) such as diabetes and anemia. We have to rule out them and then only, it can be confirmed. Sometimes even thyroiditis can cause elevated TgAb. So do not be worried as it is not confirmatory. I suggest you do few more blood tests which will help to rule out the disease. You can do CBC (complete blood count) test, TFT (thyroid function test), and HBA1c (hemoglobulin a1c). Then kindly send me the reports to check. Please mention whether you have any swelling in the neck region or any difficulties in swallowing or any history of thyroid disease or any family history of thyroid disease. Please mention your current symptoms and taking any medicines.

Kindly answer these questions to help you accordingly.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Sugreev Singh
Dr. Sugreev Singh

Internal Medicine

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