Overview
T4 or thyroxine the main form of thyroid hormone is made by the thyroid gland. Most of the T4 is bound to proteins while a small proportion remains unbound or free. T4 Test helps in measuring T4 that circulates in the blood and is available to enter body tissues for their accurate functioning. Total T4 test helps in measuring the total amount of the hormone including free T4 and the part that is bound to proteins.
To measure T4 a blood sample is taken. An underactive thyroid gland or issues with the pituitary glands stimulation of the thyroid may be indicated by a low T4 test result. Additionally a high T4 level could indicate hyperthyroidism or an overactive thyroid. In the event that thyroid issues are suspected or as a follow-up to an abnormal thyroid-stimulating hormone (TSH) test result your doctor may prescribe a T4 test.
No special preparation like fasting is needed for this test. The technician will draw blood from your arms vein or finger tip for sample collection. The following details will help you understand about the best T4 Test in Jaipur.
What is T4 Total (thyroxine) ?
This test is done to monitor treatment with synthetic hormones (synthetic triiodothyronine [T3] will cause a low total thyroxine [T4] Monitoring treatment of hyperthyroidism with thiouracil and other anti-thyroid drugs Index of thyroid function when the thyroxine-binding globulin (TBG) is normal and non-thyroidal illness is not present.
What is the Cost of T4 Total (thyroxine)
The Price of a T4 Test is Rs. 150. However, cost of the test may fluctuate depending on following factors:
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Other tests advised along with this thyroid test for T4 Test
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Offers or discounts
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Empanelment of the patient
What is the Purpose of the T4 Total (thyroxine) ?
T4 Test is advised to for following analysis:
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Follow up on an abnormal TSH test result
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Diagnose hyperthyroidism, a condition involving an overactive thyroid gland
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Monitor T4 levels if you are on thyroid replacement therapy
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Diagnose hypothyroidism, a condition in which the thyroid gland is underactive
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Screen for an underactive thyroid gland in newborn babies
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Evaluate other disorders, such as goiters, thyroid nodules, and problems with the pituitary or hypothalamus gland
When is the T4 Total (thyroxine) Recommended ?
If you have following symptoms, then T4 Test is advised:
For Hypothyroidism:
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Fatigue
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Weight gain
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Feeling cold
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Painful joints and muscles
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Dry skin
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Thin and/or dry hair
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Slow heart rate
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Constipation
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Depression
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Irregular menstrual periods
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Fertility problems
For Hyperthyroidism:
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Weight loss
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Anxiety
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Insomnia
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Irritability
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Difficulty tolerating heat
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Mood swings
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Rapid or irregular heartbeat
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Loose, frequent bowel movements
Preparation for T4 Total (thyroxine)
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Unless otherwise directed by your doctor, there is no need for you to make any special preparations before the T4 Test.
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Other blood tests can be carried out in addition to a T4 Test. If your doctor advises you to have multiple tests at once, they may ask you to fast for a specific period of time prior to a blood test.
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Drink adequate water before sample collection.
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Avoid vigorous physical activity before the sample collection.
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Follow the preparatory instructions as guided by your doctor.
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