Thyroxine - Free

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Overview
Test Results & Interpretations

Overview of Thyroxine - Free

Test Description

The Free Thyroxine test is performed to measure the free levels of thyroxine or T4 hormone in blood to understand thyroid functioning.

Why Get Tested

  1. To diagnose various disorders of the thyroid gland and identify the cause, especially hypothyroidism
  2. When symptoms of thyroid disease appear combined with abnormal TSH results
  3. To screen newborns for hypothyroidism
  4. To monitor treatment efficacy while being treated for thyroid disorders

Precautions

  • No special preparation required

What Results of Thyroxine - Free mean?

Interpretations

  • Low T4 (thyroxine) and T3 along with high TSH level indicates hypothyroidism. The most common cause of hypothyroidism is Hashimoto thyroiditis 
  • High T4 (thyroxine) and T3 along with low TSH indicates hyperthyroidism. The most common cause of hyperthyroidism is Grave’s disease 
  • Normal thyroxine (T4) and T3 along with high TSH usually indicates mild or sub clinical hypothyroidism 
  • Normal T3 and T4 along with low TSH indicates mild or sub clinical hyperthyroidism

Provided By

ISO

NABL

Aspira Pathlab and Diagnostics is an inventive venture in quality healthcare and the pioneer in comprehensive reliance on technological automation. Aspira offers wide ranging diagnostic services which assist in mapping the entire journey of a patient’s prognosis, remission and eventual recuperation.

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