A member asked:

How significant would a tsi antibody level of 70 w/ range of 149 be viewed? i already have hashimotos w/extremely high tpo/tgab

A doctor has provided 1 answer
Dr. Paul Kaplowitz answered

Specializes in Pediatric Endocrinology

Not useful by itself: Thyroid antibodies such as TPO and TgAb do not tell you that you need treatment but that your risk of developing autoimmune hypothyroidism somewhere down the road is increased. TSI stands for thyroid-stimulating immunoglobulin and is typically only ordered if the T4 or free T4 are high and the TSH is very low (,0.1). In that situation a + TSI suggests Graves' disease. Do your tests show that?

Answered 11/19/2015

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