What is the incidence of hypercalcemia due to hyperparathyroidism in the US?

Updated: Apr 29, 2020
  • Author: Thomas E Green, DO, MPH, MMM, CPE, FACEP, FACOEP; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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Primary hyperparathyroidism occurs in 25 per 100,000 persons in the general population and in 75 per 100,000 hospitalized patients. This condition is the most common cause of mild hypercalcemia, which can be treated on an outpatient basis. In the United States, more than 50,000 new cases occur each year.

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