Although vitamin K-dependent coagulation factor deficiency is known to be molecularly associated with mutations in the GGCX or VKORC1 genes, one study indicated that the VKORC1-wildtype type increases the risk of intraventricular hemorrhage in infants [26, 27]. The gene discussed is GGCX; the disease is hyperinsulinemic hypoglycemia, familial, 4.