Calcium - Ionized
Alternate Names : Free Calcium, Ionized Calcium
Definition Ionized calcium is a test that measures the amount of free calcium (Ca++, Ca +2) in the blood. (See also serum calcium.) Ionized or free calcium is the metabolically-active portion of calcium and is not bound to proteins in the blood.
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Definition Why is the Test Performed? How is the Test Performed? How to Prepare for the Test? Normal Values What do Abnormal Results Mean? Special Considerations
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