What is the purpose of measuring the ionized calcium level in the workup of hypercalcemia?

Updated: Apr 11, 2018
  • Author: Thomas E Green, DO, MPH, MMM, CPE, FACEP, FACOEP; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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Answer

If the corrected serum calcium level still is not accurate, it is possible to measure the free calcium ion activity (ie, ionized calcium level).


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