A total score ≥ 2 points or met criteria at least one of the following: age > 60 years old, pretreatment blood glucose ≤ 100 mg/dL (≤ 5.6 mmol/L), or pretreatment potassium > 6 mmol/L indicated a high risk for posttreatment hypoglycemia in hyperkalemic patients treated with IV insulin and glucose. The gene discussed is INS; the disease is Hypoglycemia.