FT4 (FREE THYROXINE) / SERUM

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NABL Cap Accredited    
The FT4 test measures the level of free thyroxine, the unbound and biologically active form of the thyroid hormone in the blood. It plays a key role in understanding thyroid gland function and is essential for diagnosing both hyperthyroidism and hypothyroidism. Since FT4 is not affected by protein-binding variations, it provides a more accurate reflection of thyroid hormone activity. This serum-based test is often performed alongside TSH and FT3 for a complete thyroid assessment 

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Price: Rs. 380.00

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 FT4 test measure?
It measures free, unbound thyroxine circulating in the bloodstream.

Why is the FT4 test important?
It helps diagnose thyroid disorders and monitor ongoing thyroid treatments accurately.

How does Metropolis Healthcare perform this test?
Metropolis Healthcare uses high-precision immunoassay platforms to ensure accurate FT4 measurement.

Do I need to fast before the FT4 test?
No fasting or special preparation is needed.

Who should consider taking this test?
Anyone experiencing symptoms like fatigue, weight changes, or suspected thyroid imbalance.

Is FT4 tested alone?
It is usually done with TSH and FT3 for a complete thyroid profile.

Can medications affect FT4 levels?

Yes, thyroid medications, steroids, and certain supplements may influence FT4 values 

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