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:
Diagnose hyperthyroidism
Evaluate thyroid hormone conversion issues
Monitor thyroid treatment response
Assess unexplained symptoms such as anxiety, heat intolerance, or palpitations
Who Should Get This Test?
Individuals with suspected thyroid imbalance
Patients with abnormal TSH or T4 levels
People receiving thyroid medications
Individuals showing signs of thyroid overactivity
Components of the Test:
Serum Free T3 (FT3) level measurement
Understanding the Test Report:
High FT3 → Suggests hyperthyroidism
Low FT3 → May indicate hypothyroidism or poor T4-to-T3 conversion
FT3 values are always interpreted together with TSH, T4, and FT4.
Preparation and Procedure:
Routine blood draw
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.
