Rationale: The normal serum calcium level is 8.5 – 10.2 mg/dL, making the client’s results extremely high (hypercalcemia). The condition typically results from hyperparathyroidism. The priority treatment of choice is intravenous bisphosphonates. Calcitonin is the secondary medical treatment of choice followed by corticosteroids. Renal dialysis is not considered an acceptable treatment.