Calcium / Phosphorus (serum) Test for 1 parameters The “Calcium / Phosphorus” test refers to a combined measurement of calcium and phosphorus levels in the blood. Serum No Fasting Required ₹330Free 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-