what is purpose of blood test for calcium
Calcium is available as a dietary supplement, but foods such as milk and kale are also rich in the mineral. A calcium blood test measures the total amount of calcium in your blood. Results of the blood test can show if you have too much or too little calcium in your blood.Irregular calcium blood levels rarely present any unusual signs or symptoms, so a calcium blood test may be the only way to detect a potential problem.uring the calcium blood test, a nurse or healthcare technician will draw blood from a veinâtypically from the inside of the elbow or the back of your hand. A nurse in your doctorâs office may also draw blood while youâre already in the office for a regular checkup.