Test Information
This page provides the approved information currently maintained for this laboratory test. It is not a substitute for medical advice or result interpretation.
Category: Thyroid Function Test
Purpose of the Test
Measures the free, unbound portion of triiodothyronine (T3) available to tissues and can support evaluation of thyroid function, especially when hyperthyroidism is suspected.
Preparation
Please contact Globalife for the preparation requirements of this exact test before collection.