kaolin cephalin time


kaolin cephalin time

Abbreviation: KCT, KCCT
A laboratory test to measure the health of the intrinsic pathway of coagulation (the function of clotting factors VII, IX, XI, and XII). When a prolonged kaolin cephalin clotting time does not normalize after the addition of normal plasma, a lupus anticoagulant is present in the blood. See also: time