Free Thyroxine (T4) Test By The Best Diagnostic Centre In Amritsar

Best Diagnostic Centre In Amritsar

Thyroxine (T4) test helps to diagnose the disorders of the thyroid. The thyroid is a butterfly-shaped gland located near the throat which makes hormones that regulate the use of energy in the body. This gland plays an important role in regulating your weight, body temperature, muscle strength, and mood as well.

The thyroxine test is also known as the T4 test, measures the level of thyroxine which when in too much or too little amount which can indicate thyroid disease.

Thyroxine T4 hormone test by the Best Diagnostic Centre In Amritsar comes in two forms

  •     Free T4, enters the body tissues where it’s needed
  •     Bound T4, attaches to proteins, preventing them from entering the body tissues.

A test that measures both free and bound T4 is called the total T4 test. However, a free T4 test is considered more accurate than a total T4 test for checking thyroid function.


Thyroid disease is much more in women and often occurs at or under the age of 40 and is genetic. A thyroxine test is recommended when a family member has ever had a thyroid condition or symptoms of hyperthyroidism or hypothyroidism.

A sample of the blood from veins is collected from the patient.


The results by Best Diagnostic Centre In Amritsar may come in the form of total T4, free T4, or a free T4 index.

  • Free T4 index includes the formula which compares free and bound T4
  • High levels of any of the tests may indicate an overactive thyroid, also known as hyperthyroidism.
  • Low levels of any tests may indicate an underactive thyroid known as hypothyroidism.

If the tests show some complexity or positive indications, then the para-medic professionals in Best Diagnostic Centre In Amritsar can ask you to do further testing of the thyroid gland.

A thyroxine test is important to get clarification on the present condition of the thyroid gland.

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