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A 48-year-old female asked:

What does it mean to have 91 for thyroid peroxidase antibodies, <1 for thyroglobulin antibodies, tsh 4.44, and t3, (liothyronine) total 72; no symptoms?

1 doctor answer1 doctor weighed in
Dr. Joseph Wood
Endocrinology 26 years experience
Depends on lab range: Likely subclinical hypothyroidism: when TSH is above normal and FT4/FT3 or T3/T4 are normal. This condition is typically caused by immune damage (hashimotos thyroiditis) to the thyroid, evidenced by your elevated thyroid peroxidase ab test. This results in a 2-4% per year risk of becoming overtly hypothyroid and 33-55% lifetime risk. https://www.thyroid.org/hashimotos-thyroiditis Be well, Dr. W

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Last updated May 1, 2020

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