A member asked:

Does a tsh-third generation check the t3 (liothyronine) level?

A doctor has provided 1 answer

No. TSH at low conc: This is designed to check accurately the TSH levels at low concentrations. This helps people to diagnose thyroid disorders more accurately. This is not t3, (liothyronine) which is a form of thyroid hormone along with t4. Free T4 measures the approximate amount of readily available thyroid hormone for use in the body.

Answered 1/15/2015

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