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Blood test
Blood test


Calcium - ionized

Alternative Names:
Free calcium; Ionized calcium

Normal Values:
  • Children: 4.4 - 6.0 mg/dl
  • Adult: 4.4 - 5.3 mg/dl

Note: mg/dl = milligrams per deciliter

Normal values may vary slightly from laboratory to laboratory.



What abnormal results mean:

Greater-than-normal levels may indicate:

Lower-than-normal levels may indicate:


Review Date: 6/13/2005
Reviewed By: Debbie Cohen, M.D., Renal and Electrolyte Division, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network.

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