LT
LabTestUAE
⚗️ Hormones

Total Triiodothyronine (TOTAL T3)

هرمون ثلاثي يود الثيرونين الكلي (T3 الكلي)

Sample Type

🧪 Blood

Results In

1 Days

Fasting

✅ Not Required

Parameters

📊 1

What is Total Triiodothyronine (TOTAL T3)?

The Total Triiodothyronine (T3) test measures the total amount of T3 hormone in your blood, another key hormone produced by the thyroid gland. T3 is more potent than T4 and significantly impacts your body's metabolic rate and energy regulation.

Why is this test important?

This test is often used alongside T4 to diagnose hyperthyroidism or to assess the severity of an overactive thyroid. It can also help detect T3 toxicosis, a form of hyperthyroidism where T3 levels are elevated but T4 levels are normal.

How to Prepare

No special preparation required.

Frequently Asked Questions

Do I need to fast before my blood test?
It depends on the test. Tests like lipid profile and fasting blood sugar require 10-12 hours of fasting. Tests like CBC, vitamin D, and thyroid do not require fasting. Each test page on our website clearly states the fasting requirements.

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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.