Based on the enzyme activity cut-off values, the prevalence of G6PD deficiency (enzyme activity < 70%) in this cohort was found to be 9.13% (23/ 252), comprising 3.17% (8/ 252) of G6PD deficient (enzyme activity < 30%) and 5.95% (15/ 252) of G6PD intermediate (enzyme activity 30–70%). The gene discussed is G6PD; the disease is hyperinsulinemic hypoglycemia, familial, 4.