Thyroxine - Total (T4) - Serum

Thyroxine - Total (T4) - Serum

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This test is used to help evaluate thyroid function and diagnose thyroid diseases, including hyperthyroidism and hypothyroidism

This Test Includes

Thyroxine - T4

Test Instructions

Total parameters available: 1

Parameter Names:

  • Thyroxine - Total (T4) - Serum

Test Instructions/Precautions:

  • Alcohol: Please abstain from alcohol before the test
  • Medication :Any pre-existing medication should only be stopped after consultation with the referring Physician


Soft Copy (Portal/Email) : If the sample is collected before 12 noon then the report will get delivered as per Reporting Time / Maximum TAT (Turn Around Time) indicated with the test. For samples collected after 12 Noon, 12 hours may be added to the Report Turn Around TimeHard Copy : Delivered at home upon request. A small convenience fee may apply.

Why it is Done

Total T4 test is conducted to evaluate thyroid gland function; diagnose hypothyroidism or hyperthyroidism; to screen for hypothyroidism in new-borns.

What is this test

Total T4 test is used to diagnose hyperthyroidism and hypothyroidism. Total T4 is a hormone produced by the thyroid gland.