question: Which genes are involved in patient response to warfarin?
answer: The following genes have been associated with patient response to warfarin: CYP2C9, VKORC1, ORM1, CYP4F2, EPHX1, CYP2C18, CYP2C19, CYP3A5, protein S, clotting factor V, PROC, GGCX.