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Thyroxine – Total (TT4)
₹260.00
Description
- Thyroxine – Total (TT4) Test: The TT4 test measures the total amount of thyroxine (T4) hormone in the bloodstream, including both bound and unbound forms. T4 is a key hormone produced by the thyroid gland that plays a vital role in regulating metabolism and energy production.
- Purpose: This test is used to evaluate thyroid function and diagnose thyroid disorders such as hypothyroidism and hyperthyroidism. It helps provide a comprehensive understanding of thyroid hormone levels in the body.
- Test Methodology: A blood sample is collected and analyzed using immunoassays to determine the total T4 levels. The test measures all forms of T4, including those that are bound to proteins, such as thyroxine-binding globulin (TBG).
- Normal Range: Total T4 levels typically range from approximately 5.0 to 12.0 µg/dL, though reference ranges may vary slightly based on the laboratory and population.
- Interpretation:
- Low TT4 Levels: Indicate hypothyroidism, suggesting that the thyroid gland is underactive and not producing sufficient levels of hormones.
- High TT4 Levels: Suggest hyperthyroidism, indicating that the thyroid is overactive and producing excess hormones, which may lead to increased metabolic activity.
- Clinical Relevance: The TT4 test is important for diagnosing and managing thyroid conditions. It provides insights into the overall thyroid hormone status and can help guide treatment decisions, such as hormone replacement therapy or further evaluation of thyroid function.
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