What is a Free T4 Test?

Free T4 Test is a blood test used to check patients with protein abnormalities to get a more accurate indicator of thyroid hormone.

Who should get this test?

This test may be ordered:

  • To monitor a patient’s thyroid function
  • If you are a patient with symptoms of thyroid disease
  • 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.

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