Triiodothyronine Free (Free T3) (FT3)
฿350.00
Measures free T3, the small unbound portion of triiodothyronine that can enter cells and act on tissues. It may change earlier than total T3 in some thyroid conditions.
Typical Use
Used to help evaluate symptoms of thyroid overactivity when TSH is low and results are unclear, or when protein binding is altered (pregnancy, illness, medicines).
Preparation
Markers Tested
Free T3 (pg/mL)