Medicine and Billing: That is how it is done. The TSH is the first line test for screening and then further investigation happens if abnormal. Many people with under active thyroid can have a normal t3 (liothyronine) and T4 and still be under active.
Answered 1/15/2015
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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