G6PD and G6PD deficiency: In the 12 neonates with G6PD deficiency of normal bilirubin level (control group), G6PD gene mutations were identified in 9 cases, including c.1376G > T (5 cases), c.1388G > A (2 cases), c .1024C > T (1 case), and c.95A > G (1 case).