Magnesium - Serum Test for 1 parameters Magnesium – Serum is a laboratory test that measures the level of magnesium in the liquid portion of the blood (serum). Serum No Fasting Required ₹440Free 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-