Thyroid Panel (Free T3, Free T4, TSH)
Labcorp
Broadest draw-site network nationwide.
BiomarkersLabcorp biomarkers
- Thyroid-Stimulating Hormone (TSH) A pituitary hormone that signals your thyroid to produce hormone. The primary screening test for both underactive and overactive thyroid conditions.
- T3, Free (fT3) The unbound, biologically active portion of triiodothyronine (T3), the more potent thyroid hormone. Used to evaluate thyroid function.
- T4, Free (fT4) The unbound, biologically active portion of thyroxine (T4), your main thyroid hormone. A core marker for evaluating thyroid function.
$62.99
Quest Diagnostics