Hypocalcemia, a low bood calcium level, occurs when the concentration of free calcium ions in the blood falls below 4.0 mg/dL (dL=one tenth of a liter). The normal concentration of free calcium ions in the blood serum is 4.0–6.0 mg/dL.
- Calcium Level in Blood Falls Below 4.0 ...
Hypocalcemia is a condition in which there are lower-than-average calcium levels in the body. Learn about symptoms, treatment, and more.