At a Glance
Why Get Tested?
To determine if the concentration of calcium in your blood is at normal levels.
When to Get Tested?
In persons with kidney, bone, or nerve disease, or when symptoms of abnormal calcium are present.
A blood sample taken from a vein in your arm; a timed urine collection may be used when blood calcium concentration is abnormal; urine calcium measurements may also be requested if you have kidney stones
Test Preparation Needed?
Current practice does not require fasting or any other test preparation.