← All tests
Immunoassay & Hormones
Free T4
₹350
- Report time
- Same day
- Sample
- Serum
- Preparation
- None needed
- Available
- At the lab · at home
About this test
The main thyroid hormone, measured as the free fraction. With TSH it is the most reliable check on an over- or under-active gland.
Before your test
- •Carry on taking your regular medicines unless your doctor has said otherwise.
- •Bring the doctor's prescription if you have one — it helps the lab file the report to them.
Where
- •sanjeevni lab test, delhi
- •Home collection — pick a slot at checkout.
Report delivery
Usually the same day the sample is taken. You are told on WhatsApp, and the report opens in your account — no app to install.
Free T4
₹350 · Same day