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What is Tri Iodothyronine (T3) test?
Insufficient production of thyroid hormones T3 and T4 is known as hypothyroidism and overproduction is termed as hyperthyroidism or thyrotoxicosis. Estimation of Serum TSH along with T3 and T4 is useful for differentiating the primary thyroid disorders (from thyroid gland) from secondary thyroid disorders (from the pituitary gland). In primary hypothyroidism, TSH level is elevated but in secondary hypothyroidism, the TSH level is low.
Why get the Tri Iodothyronine (T3) test?
Estimation of T4 (thyroxine) and T3 (triiodothyronine) is the mainstay of the diagnosis of thyroid diseases. Both are decreased in hypothyroidism but increased in hyperthyroidism. When the results of T4 and T3 are borderline, free hormone levels FT3 and FT4 are estimated.
When to take this test?
Anytime
BODY PART
Thyroid gland
SAMPLE REQUIREMENT
Blood
NORMAL RANGE
0.6 - 1.81 ng/ml
Frequency to repeat test
Every 6 months
Precautions to be taken before for the test
No particular precautions are required, unless it is recommended by your doctor.
Parameters
Test is available in Bangalore through Orange Health Diagnostic Lab
Order now & get your sample collected in 60 minutes
Good reports coming in ...
Certainly recommend them strongly for quick and accurate testing. They are the best we’ve come across in Bangalore in the last 41 years !!
K Srinivasan
Superb experience overall. Everything was very well managed right from booking to confirming slots, to pick up and report generation.
Mridul Mimansa
Very professional, efficient, and high-tech. The reports came blazing fast.
Saurabh Guru
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