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Free Triiodothyronine

Free T3 measures the free, unbound levels of triiodothyronine in your bloodstream. Free T3 is considered more accurate than Total T3. Free T3 is typically elevated in hyperthyroidism, and lowered in hypothyroidism.

Prices vary by location, please select your location to view local pricing

Test Details

FAQs

Am I required to fast?

No, fasting is not required. There are no dietary or medicinal restrictions to take this test.

Is a doctor's order required?

No. You do not need to provide a doctor’s order to get lab testing done at Any Lab Test Now.

Do I need to make an appointment?

No. You can walk in for same day testing. We make it easy for you by offering work-friendly hours.

If I have questions about my tests results who should I contact?

We recommend you share your results with your physician.