Definition Symptoms: mild to moderate hypercalcemia (11 to 14 mg/100 mL) often has no symptoms, but when levels > 15 mg/100 mL, clinical changes become more common Hypercalcemia produces changes primarily in the central nervous system (e.g., mental status changes), the gastrointestinal tract (e.g., vomiting), the kidneys (e.g., polyuria, renal calculi, oliguric renal failure), and […]