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Total T4 (Total Thyroxine)

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Total T4 (Total Thyroxine)

Accredited Facility E-report Qualified Specialists

This test is done to measure total thyroxine (T4), one of the main hormones produced by the thyroid gland. It reflects both bound and free hormone in the blood and helps evaluate thyroid function. Abnormal levels may indicate hypothyroidism or hyperthyroidism, often interpreted alongside TSH and free T4 for accurate diagnosis.

  • If thyroid dysfunction is suspected.
  • If there are symptoms like fatigue, weight changes, or palpitations.
  • If monitoring known thyroid disease or treatment.
  • If evaluating abnormal TSH results.
  • Fasting: Not required.
  • No special preparation is usually needed.
  • Inform your healthcare provider about thyroid medications or supplements.
  • Follow any instructions provided by the laboratory or healthcare provider.
    • Total T4 (Total Thyroxine)
    No labs currently offering this test.