what is the normal calcium level in blood
Ryan McVay/Photodisc/Getty Images. Normal Calcium Levels in Adults. While normal blood calcium levels differ slightly from lab to lab, they usually range between 8.5 and 10.5 mg/dL (milligrams of calcium per deciliter of blood). Ionized calcium typically ranges from about 4.6 to 5.3 mg/dL. Jupiterimages/Pixland/Getty Images.
Total Calcium Ranges. Total calcium levels change as you age. For adults, the normal calcium range is approximately 8.5 to 10.5 mg/dL. In women older than 45, however, levels tend to increase slightly until around age 75, when they begin to gradually decrease.