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.