How should analysis for the ionized calcium level be performed in the diagnosis of hypocalcemia?

Updated: Aug 08, 2019
  • Author: Manish Suneja, MD, FASN, FACP; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Analysis for the ionized calcium level must be performed rapidly with whole blood to avoid changes in pH and anion chelation. Blood should be drawn in an unheparinized syringe for best results.

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