Description
Number of Tests Included:
A standard FTFT includes:
TSH (Thyroid Stimulating Hormone)
Free T3 (FT3)
Free T4 (FT4)
What is a Free Thyroid Function Test?
A thyroid panel that measures free thyroid hormones (not bound to proteins), giving the most accurate picture of thyroid function. It helps detect underactive or overactive thyroid disorders.
Purpose of the Test:
Diagnose hypothyroidism
Diagnose hyperthyroidism
Evaluate fatigue, weight changes, hair loss
Monitor thyroid medication dosage
Screen for thyroid disorders in pregnancy
Investigate menstrual irregularities or infertility
Who Should Get This Test?
Individuals with tiredness, weight gain/loss, or mood changes
People with suspected thyroid imbalance
Pregnant women
Patients on thyroid medications
Individuals with family history of thyroid disease
Components of the Test:
TSH – primary thyroid function indicator
Free T3 (FT3) – active thyroid hormone
Free T4 (FT4) – precursor to T3, steady indicator
Understanding the Test Report:
High TSH + Low FT3/FT4: Hypothyroidism
Low TSH + High FT3/FT4: Hyperthyroidism
Normal TSH but abnormal FT3/FT4: Subclinical thyroid disorders
Preparation and Procedure:
Routine blood sample
No fasting required
Take medication after sample (if on thyroid meds), unless advised differently
How is the Test Done?
Blood is analyzed using advanced immunoassay systems to measure free thyroid hormone levels.
Best Time for Test:
Anytime; morning preferred for consistency.
Booking and Checking Reports:
You can book FTFT via SDL, arrange home blood sample collection, and view your report digitally.
