G-6-PD <10.37U /g.H b was diagnosed as a lack of G-6-PD activity. Subgroup: according to the severity of the lack of the activity of the enzyme, it will be divided into 3 groups: mild deficiency: 6.93-10.37U/g.H b; moderate deficiency: 3.47-6.92U/g. Hb; severe deficiency: 0-3.46U/g.H b.