FREE T3/ FREE T4/ TSH Serum Test for 3 parameters FREE T3, FREE T4, and TSH are blood tests used to assess thyroid function by measuring the levels of various thyroid hormones and a thyroid-stimulating hormone produced by the pituitary gland. Serum No Fasting Required ₹1100Free home sample Book Test Free home sample collection in 60 mins Reports within 3 Hours 10,00,000+Tests done TrustedDoctors 10,00,000+Certified Labs 10,00,000+Pickup-at-home Gallery-