STTM Reverse T3 and Triiodothyronine (T3) Free Function
Fasting Required: No

Specimen: Blood

Lab: Quest Diagnostics

Results: 5-7 business days
Note: Result turn around times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.


Tests Included:

Free T3:
This test is used to evaluate thyroid function. It is primarily used to diagnose hyperthyroidism. It is also used to assess abnormal binding protein disorders and to monitor thyroid replacement and suppressive therapy.

Reverse T3:
Reverse-T3 does not stimulate metabolism. It is produced as a way to help clear some T4 from the body.