Total T4 Test

What is a Total T4 test?

Total T4 is a blood test that evaluates thyroid gland functions. It also measures the amount of thyroxine (T4) in the blood.

Who should get a Total T4 test?

This test may be ordered:

  1. If you have symptoms of thyroid disease
  2. If you have symptoms of hyperthyroidism

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 T4, Total
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

Why LabFinder? It’s Free

  • Book and manage your personal health records
  • Feel organized — keep your results in one place
  • Save money — avoid surprise medical bills

How it Works

  • Select your test & location
  • Visit your appointment
  • Access and share your test results any time
How It Works