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 this test?

This test may be ordered:

  • If you have symptoms of thyroid disease
  • 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 This Test