Calcium
Also known as: Total calcium; Ionized calcium
Formal name: Calcium
Related tests: Phosphorus; Vitamin D; Parathyroid hormone (PTH); Magnesium; Albumin; Comprehensive metabolic panel (CMP)
At a Glance
Why Get Tested?
To determine if the level of calcium in your blood is at normal levels
When to Get Tested?
As part of a routine metabolic panel, in persons with kidney, bone, or nerve disease, or when symptoms of significantly increased or decreased calcium concentrations are present
Sample Required?
A blood sample drawn from a vein in your arm; a timed urine collection may be used when blood calcium is abnormal; urine calcium may also be done if you have kidney stones
Test Preparation Needed?
None
