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Calcium (Ca)

Also known as: Total calcium; Ionized calcium
Formal name: Calcium
Related tests: Phosphorus; Vitamin D; Parathyroid Hormone (PTH); Magnesium; Albumin; Comprehensive Metabolic Panel (CMP); Basic Metabolic Panel (BMP); Kidney Stone Analysis

 

  • Why should I do it?

To determine if the level of calcium in your blood is within normal limits

 

  • When should I do it?

As part of a routine metabolic panel, when you have kidney, bone, or nerve disease, or when symptoms of significantly increased or decreased calcium concentrations are present

 

  • What Kind of Sample is Needed?

A blood sample drawn from a vein in your arm; sometimes a timed urine collection such as a 24-hour urine sample

 

  • Test Preparation Needed?

Current practices do not require fasting or any other test preparation.