Description
Number of Tests Included:
Typically includes:
TSH (Thyroid Stimulating Hormone)
T3 (Triiodothyronine)
T4 (Thyroxine)
(Some labs also include FT3 & FT4)
What is a Thyroid Function Test (TFT)?
A hormone panel that assesses thyroid gland activity and helps detect thyroid imbalances affecting metabolism, energy, weight, and overall hormonal health.
Purpose of the Test:
Diagnose hypothyroidism and hyperthyroidism
Monitor ongoing thyroid treatment
Investigate symptoms like tiredness, weight changes, palpitations, hair loss
Assess hormonal balance in pregnancy
Routine health screening
Who Should Get This Test?
Individuals with symptoms of thyroid disorders
Patients already on thyroid medications
Pregnant women (as advised by doctor)
Individuals with infertility or menstrual irregularities
Routine checkups, especially in adults
Components of the Test:
TSH
T3
T4
(Some labs may add FT3 and FT4)
Understanding the Test Report:
High TSH + Low T4/T3 → Hypothyroidism
Low TSH + High T4/T3 → Hyperthyroidism
FT3 & FT4 help refine diagnosis
Preparation and Procedure:
Routine blood draw
No special preparation required
How is the Test Done?
A blood sample is analyzed using immunoassay technology to measure thyroid hormone levels.
Best Time for Test:
Morning, as hormone levels are more stable.
Booking and Checking Reports:
You can book the TFT test via SDL, request home sample collection, and access the report online.