high trh and tsh but klow t3 and t4 FLOW CHART OF THYROID FUNCTION TESTS Here's your Flow Chart of Thyroid Function Tests — a clear, step‑by‑step visual to help understand how doctors interpret results narrow down possible thyroid problems Order Discounted Labs Online Without
Order Discounted Labs Online Without a Doctor Visit at a Lab Near You Thyroid Summary in Pictures Problems Symptoms Testing At Home Health Tests TSH vs T3 vs T4 High Yield Exam Points, TSH = Most sensitive screening test (FIRST test in thyroid disorders), TSH is the BOSS (negative feedback control), T3 = Most active hormone Interpreting thyroid function tests?
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