TFT's...: There are several numbers that are usually measured for thyroid function tests (tft's). Thyroid stimulating hormone (TSH) is usually between 0.5 - 5 mu/l however some labs may have different cutoff values. A low TSH usually means you are hyperthyroid and a high TSH usually means you are hypothyroid. T3 (liothyronine) and T4 are also usually measured on routine thyroid tests.
Answered 3/21/2018
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