Thyroxine - Free (FT4) near me in Surat
Also referred as
Free T4
3,800+ booked recently
For men & women
Earliest reports in
21 hours
Contains
1 test
Test price:
₹200
47% off
Additional 15% off with coupon
Min. order value: ₹5000 | Coupon: 1MGSUPERMAX
More offers available
Know more about this test
The Thyroxine - Free (FT4) determines the amount of free thyroxine (T4) hormone in the blood and is available in Surat with Tata 1mg labs. T4 hormone is secreted by the thyroid gland and is essential for the body's growth and metabolism. It circulates in the blood in two forms: free form (FT4) and bound form.
Your doctor may suggest the Thyroxine - Free (FT4) test when symptoms of hyperthyroidism (increased appetite, rapid heartbeat, weight loss, vision changes, anxiety, and swelling and enlargement of the neck) or hypothyroidism (fatigue, weight gain, joint, and muscle pain, slowed heartbeat, or dry skin) are noticed. The test results, along with your symptoms, will help the doctor diagnose any suspected thyroid disease (hypothyroidism or hyperthyroidism) and monitor the treatment efficacy in people with known thyroid conditions
No special preparations are needed for the Thyroxine - Free (FT4) test. You may eat and drink as per your daily routine. On the day of the test, individuals on thyroid medications should take them at the time and dosage prescribed by their doctors.
Samples required
Blood
Find out
Why is this test booked?
Preparations
No special preparation is required.
Sample Collection
Who will collect your samples?
Test Information is reviewed by: Dr. Anupriya Nautiyal, MD Pathology, MBBS and written by Shweta Prakash, MSc, BSc . The test details are for information purpose only. Consult a doctor before taking any test. Last updated on: 10th Apr 2026
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References
- Thyroid Function Tests [Internet]. Alexandria, VA: American Thyroid Association; [Accessed 07 Feb. 2023]. Available from:
- Free and Bound Triiodothyronine (Blood) [Internet]. NY: University of Rochester Medical Center; [Accessed 07 Feb. 2023]. Available from:
- Thyroid Function Test [Internet]. Scotland: British Thyroid Foundation; 2021 [Accessed 07 Feb. 2023]. Available from:
- Block-Galarza J. Thyroid Function Tests [Internet]. Alexandria, VA: American Thyroid Association. [Accessed 07 Jul. 2023]. Available from:
- Thyroid Tests [Internet]. NIDDK; May 2017 [Accessed 07 Feb. 2023]. Available from:
- Adhimoolam M, Arulmozhi R. Effect of antiepileptic drug therapy on thyroid hormones among adult epileptic patients: An analytical cross-sectional study. J Res Pharm Pract. 2016 Jul-Sep;5(3):171-4. [Accessed 07 Jul. 2023]. Available from:
- Dong BJ. How medications affect thyroid function. West J Med. 2000 Feb;172(2):102-6. [Accessed 09 Feb. 2023]. Available from:
Recommended for everyone
This package is designed with everyone’s overall health considerations in mind, offering assessments to address a wide range of wellness needs.
Contains 1 test
Report delivery
Standard time
21 hrs
For slots after 11 AM, report will be delivered in 21 hours.
Samples required
Blood
Our phlebotomist will draw a blood sample, typically from a vein in your inner elbow.
Preparations
1
No special preparation is required.
Why is this test booked?
1
To measure the levels of free T4 hormone in the body.
2
As part of a thyroid profile test along with FT3 and TSH tests.
3
To evaluate symptoms suggestive of an imbalance in thyroid hormone levels, such as fatigue, weight loss, hair loss, and changes to heart rate.
4
To diagnose and monitor the treatment of hypothyroidism or hyperthyroidism.
5
To detect an underactive thyroid gland in newborn babies.
6
To evaluate other disorders, such as thyroid nodules, goiters, and pituitary or hypothalamus gland disorders.
Coupon details
Additional 15% off with coupon
Get Upto Rs 1500 off on all lab tests
Maximum discount: ₹1500
1MGSUPERMAX
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- The minimum order value is ₹5000.
- The offer is valid till 31st March 2026
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Get Upto Rs 650 off on all lab tests
Maximum discount: ₹650
1MGSUPER
Upto Rs 1500 off on all lab tests
Get Upto Rs 1500 off on all lab tests
Maximum discount: ₹1500
1MGSUPERMAX
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