T4, Total FAQ
What is T4?
T4, or Thyroxine, is a hormone produced by the thyroid gland.
What is Total T4?
Total T4 refers to T4 that is currently bound to carrier proteins.
What is a Total T4 test?
A Total T4 test measures the level of Total T4 in the blood.
What is the importance of a Total T4 test?
When the thyroid is hyperactive (hyperthyroid), Total T4 is generally high. When the thyroid is underactive (hypothyroidism), Total T4 level is generally low.
What type of specimen will I submit?
This T4, Total is a blood test.
Do I need to fast to take this test?
Fasting is not necessary.
How long does it take to get test results?
It typically takes 4 business days or less.
Accesa Labs does not provide medical advice, diagnosis or treatment. All users should consult with a medical provider for specific health concerns.
Last updated on September 19, 2017
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