Service Description

Calcium Blood Test A calcium blood test measures the amount of calcium in your blood. Calcium is one of the most important minerals in your body. You need calcium for healthy bones and teeth. Calcium is also essential for the proper functioning of your nerves, muscles, and heart. About 99% of your body's calcium is stored in your bones. The remaining 1% circulates in the blood. If there is too much or too little calcium in the blood, it may be a sign of bone disease, thyroid disease, kidney disease, or other medical conditions. What is it used for? There are two types of calcium blood tests: Total calcium measures the calcium attached to specific proteins in your blood. Ionized calcium, measures the calcium that is unattached or "free" from these proteins.