4 hours
Test Updated:
Free T3
Free T3 (Triiodothyronine)
FT3
T3 Triiodothyronine Free Serum
Triiodothyronine
Triiodothyronine, Free
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Test Overview
Chemiluminescent Immunoassay
Evaluating biochemical status of clinically euthyroid patients; further confirmatory test for hyperthyroidism monitoring thyroid replacement therapy.
1.9 - 3.9 pg/mL
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.