Incidence, Causes and Mechanism of Hypercalcaemia in a Hospital Population in Hong Kong

To determine the incidence and causes of hypercalcaemia in a hospital population in Hong Kong, all 29 107 samples received in the laboratory in one year were analysed for plasma calcium and albumin, and samples with a plasma calcium concentration adjusted for albumin greater than 2.55 mmol/l were investigated. Plasma calcium > 2.55 mmol/l was found in 462 patients. Repeat samples were received from 302 of these and hypercalcaemia was confirmed...