the determination principle lies in the precipitation of ldl using heparin ( merck , darmstadt test ) or using polycyclic surface activated anions ( biomerieux test ) , as well as ascertaining ldl cholesterol by subtracting cholesterol in the supernatant from total cholesterol ( merck , darmstadt test ) or the direct determination of cholesterol in the redissolved precipitate ( biomerieux test ) .
C0023824
ldl cholesterol
C0008377
cholesterol