“Because we can know that early, we can have counseling with the parents about the chances of their children getting yellow skin. We can take time to counsel.” (FGD1)“Because we can know the right result of the G6PD deficiency in a short time. Especially for the clinic which doesn’t have a lab then it is difficult to know the G6PD status. But with this device, they will only need to take a little blood from the baby and they can know the result of G6PD.” (FGD2). The gene discussed is G6PD; the disease is hyperinsulinemic hypoglycemia, familial, 4.