Calcium (Ca) in Blood

Blood Calcium

How To Prepare

Do not take calcium supplements for 8 to 12 hours before having a blood calcium test. Your doctor will tell you if you should not eat or drink anything before your test.

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Author:	Monica Rhodes	Last Updated: September 29, 2008
Medical Review:	E. Gregory Thompson, MD - Internal Medicine Tushar J. Vachharajani, MD, FASN, FACP - Nephrology
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