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Quest / Thyroid Function
T3 Uptake
T3 Uptake is a test that measures the binding capacity of thyroid binding proteins in the blood. It provides indirect information about thyroid hormone levels, helping to evaluate thyroid function and diagnose thyroid disorders. This test aids...
Coming Soon
What this lab measures
T3 Uptake is a test that measures the binding capacity of thyroid binding proteins in the blood. It provides indirect information about thyroid hormone levels, helping to evaluate thyroid function and diagnose thyroid disorders. This test aids...
How testing works
Order online
Choose your marker and add a brief medical history so your result has context from the first draw.
Visit a partner lab
Take your order to a certified Quest location for a short blood draw.
Clinician review
A licensed clinician reviews your result and shares clear interpretation with next steps.
FAQ
After ordering, visit a certified Quest partner location for a short blood draw. No insurance is required.
Feelrx / Start here
Know your baseline.
Order a panel online, draw at a certified partner lab, and receive a clear clinician review.
Coming Soon