The nurse is preparing a 4-day-old client with a serum bilirubin level of 19 mg/dL (325 μmol/L) for discharge from the hospital. When teaching the parents about home phototherapy, which instruction should the nurse include in the discharge teaching plan? Reference Range: Total Bilirubin [0.1 to 10.5 mg/dL (17.1 to 180 μmol/L)]