A nurse is reviewing the laboratory reports of a group of clients. For which of the following values should the nurse notify the provider?
a) Sodium level of 138 mEq/L
b) Hemoglobin level of 12.5 g/dL
c) Blood glucose level of 110 mg/dL
d) Potassium level of 6.0 mEq/L
e) White blood cell (WBC) count of 8,000/mm³