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(Science: biochemistry) a medical condition in which abnormally high concentrations of calcium compounds are found in the bloodstream.

normal blood calcium is in the range of 8.5 to 10.5 mg/dl.

elevations may be seen in hyperparathyroidism, multiple myeloma, excessive vitamin d intake, as a drug side effect (thiazide diuretics) and in association with some cancers (particularly those spread to bone).

Compare: hypocalcaemia.

Origin: gr. Haima = blood