Free T3 Test

What is a Free T3 Test?

Free T3 Test is a blood test used to check patients with protein abnormalities to get a more accurate indicator of thyroid hormone.

Who should get a Free T3 Test?

This test may be ordered:

  1. To monitor a patient’s thyroid function
  2. If you are a patient with symptoms of thyroid disease
  3. For general check up on newborns soon after birth

When will I receive my results?

Once completed, you will receive your results within 3-5 business days in your LabFinder portal.

How do I prepare? Do I need to fast?

No preparation or fasting required. Just bring your LabFinder Order and Insurance Card to your appointment.

Book a T3, Free
This is for educational purposes only. LabFinder does not provide medical advice, diagnosis or treatment. All users should consult with a medical provider in person for any health concerns.
How It Works

How it Works

  • Select your test & location
  • Visit your appointment
  • Access your results
How It Works