Description
Number of Tests Included:
Single blood test measuring free T3 levels.
What is an FT3 Test?
A hormone test that determines the level of unbound (free) T3 circulating in the blood, giving a more accurate picture of thyroid function.
Purpose of the Test:
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Diagnose hyperthyroidism
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Evaluate thyroid hormone conversion issues
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Monitor thyroid treatment response
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Assess unexplained symptoms such as anxiety, heat intolerance, or palpitations
Who Should Get This Test?
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Individuals with suspected thyroid imbalance
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Patients with abnormal TSH or T4 levels
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People receiving thyroid medications
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Individuals showing signs of thyroid overactivity
Components of the Test:
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Serum Free T3 (FT3) level measurement
Understanding the Test Report:
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High FT3 → Suggests hyperthyroidism
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Low FT3 → May indicate hypothyroidism or poor T4-to-T3 conversion
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FT3 values are always interpreted together with TSH, T4, and FT4.
Preparation and Procedure:
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Routine blood draw
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No special preparation required
How is the Test Done?
A blood sample is collected and analyzed using advanced immunoassay techniques to measure free T3.
Best Time for Test:
Anytime; early morning sample preferred for hormonal consistency.
Booking and Checking Reports:
You can book the FT3 test via SDL, request home sample collection, and access your digital report easily.
