Hoë totale kalsium toets. What does high calcium or hypercalcemia in blood means?

Upper limit of total calcium (ca) test (normal referent values) is 2.8 mmol/L (or 10.5 mg/dl).

The main causes of hypercalcemia are primary hyperparathyroidism, malignant disease, and chronic renal failure. The differential diagnosis of hypercalcemia depends on the clinical setting.

Overall, primary hyperparathyroidism and malignancy account for 80 – 90% of hypercalcemia cases.