Free Thyroxine (FREE T4)
الثيروكسين الحر (T4 الحر)
Sample Type
🧪 Blood
Results In
⏱ 1 Days
Fasting
✅ Not Required
Parameters
📊 1
What is Free Thyroxine (FREE T4)?
This test measures the active, unbound form of a key thyroid hormone called T4 in your blood. It helps assess how well your thyroid gland is functioning and producing hormones.
Why is this test important?
It is crucial for diagnosing and monitoring thyroid disorders like hyperthyroidism (overactive thyroid) or hypothyroidism (underactive thyroid). Free T4 reflects the amount of hormone available for your body's tissues to use.
How to Prepare
No special preparation required.
Frequently Asked Questions
Do I need to fast before my blood test?▼
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Medical Disclaimer: The information on this page is for educational purposes only and should not be considered medical advice. Always consult your physician or qualified healthcare provider for diagnosis and treatment. Test results should be interpreted by a qualified medical professional.