A 41-year-old female asked:
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what is the normal calcium range?

1 doctor answer
Dr. Joseph Woods
27 years experience Pathology
About 9.0-10.5 mg/dL: The normal range for calcium in plasma is about 9.0-10.5 mg/dl.
Answered on Sep 27, 2019
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2 comments
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3 thanks
Dr. Joseph Woods
27 years experience Pathology
Provided original answer
I have to say it is very important to be sure of the units in which a substance like Calcium is measured. If this was reported in units of mmol/L, with normal range of 2.2-2.6 mmol/L, without knowing the units, a person could get very distressed. I can't emphasize enough how important this and Dr. Friedlnder's comment is.
Sep 9, 2012
Dr. Ed Friedlander
43 years experience Pathology
One very common source of misunderstanding to patients is the lowering of a healthy total calcium when serum albumin drops in serious sickness. Thanks for providing this good normal range; I've seen too many people who've ignored a high calcium from parathyroid or other disease who've wished they'd addressed the subtle underlying problem sooner.
Sep 8, 2012

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