The nurse is caring for a client taking prescribed captopril. Which abnormal laboratory value should the nurse prioritize when notifying the healthcare provider?

C Serum phosphorus 4.6 (1.48 mmol/L) [2.5-4.5 mg/dL, 0.81-1.58 mmol/L] B Serum potassium 5.2 mEq/L (mmol/L) [3.5-5 mEq/L (mmol/L)] A Serum creatinine 1.3 mg/dL (114.92 ╬╝mol/L) [Male: 0.6-1.2 mg/dL, Female: 0.5-1.1 mg/dL, Male 49-93 ╬╝mol/L, Female 22-75 ╬╝mol/L] D Blood glucose 135 mg/dL (7.5 mmol/L) [70-110 mg/dL, 4-6 mmol/L]