The nurse is reviewing the laboratory results of a client who reports taking five times the recommended daily allowance of vitamins and minerals in a multivitamin form. Which finding indicates a possible vitamin D overdose? Reference Range: Bilirubin [0.3 to 1 mg/dL (5.1 to 17 μmol/L)] Calcium 19 to 10.5 mg/dL (2.3 to 2.6 mmol/L)] Sodium [136 to 145 mEq/L (136 to 145 mmol/L)] Blood Glucose [74 to 106 mg/dL (4.1 to 5.9 mmol/L)]