FT3 (FREE TRIIODOTHYRONINE) / SERUM

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NABL Cap Accredited    
The FT3 test measures the level of free triiodothyronine, the active form of thyroid hormone circulating in the blood. It helps evaluate thyroid gland function and is especially useful in diagnosing hyperthyroidism and monitoring thyroid disorders. Since it measures the unbound, biologically active hormone, FT3 provides a more accurate assessment of metabolic activity. The test is performed on a serum sample and is commonly ordered along with FT4 and TSH for a complete thyroid profile 

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Price: Rs. 355.00

Sample Type: SERUM

Fasting Not Required


Booking Procedure:
  1. Technician from Metropolis will be assigned for a home sample collection after booking confirmation.
  2. Sample will be collected by our technician at your address at given slot.
  3. You can make the payment to the technician at the time of collection
  4. Your sample will then be transported to the nearest collection center and will be centrifuged before sending to the lab for processing.
  5. Soft copy reports will be sent to your email address within 24 to 48 hours or as per defined TAT for Tests.

Frequently Asked Questions (FAQ's):

What does the FT3 test measure?
It measures the free (unbound) triiodothyronine hormone in the blood.

Why is this test done?
To assess thyroid function, detect hyperthyroidism, and monitor ongoing thyroid treatment.

Do I need to fast for this test?
No fasting or special preparation is required.

What sample is required?
A serum sample from a blood draw.

Is FT3 tested alone?
Often, it is done with FT4 and TSH for a comprehensive thyroid evaluation.

What conditions can affect FT3 levels?

Thyroid disease, certain medications, and acute illnesses may alter FT3 levels 

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