Monarch Disease Ontology identifier MONDO_0011837 (vitamin K-dependent clotting factors, combined deficiency of, type 2) is any congenital vitamin K-dependent coagulation factors combined deficiency in which the cause of the disease is a mutation in the VKORC1 gene. Also known as: VKORC1 congenital vitamin K-dependent coagulation factors combined deficiency, congenital vitamin K-dependent coagulation factors combined deficiency caused by mutation in VKORC1, vitamin K-dependent clotting factors, combined deficiency of, 2.