Service Description

The T3 Uptake test indirectly measures the amount of thyroid-binding proteins in the blood and helps evaluate thyroid function in combination with other thyroid tests. Why it’s done: To assess thyroid hormone availability and binding capacity To help diagnose hyperthyroidism or hypothyroidism To evaluate symptoms such as fatigue, weight changes, or temperature sensitivity To monitor thyroid therapy or medication effectiveness To support comprehensive thyroid function assessment Specimen Type: Blood draw Turnaround Time: Typically 1–3 business days Collection Available: In-office or mobile blood draw services