Calcium: What It Detects, Normal Range

Overview

The Calcium, Serum test measures the amount of calcium present in your blood. Calcium is one of the most important minerals in the body and plays a vital role in maintaining strong bones and teeth, supporting muscle contraction, enabling nerve signaling, and helping blood clot properly. Abnormal calcium levels may indicate bone disorders, kidney disease, parathyroid gland dysfunction, vitamin D imbalance, or other metabolic conditions. This test is commonly used as part of routine health screenings and to investigate symptoms related to calcium imbalance.

What It Measures

Why Take This Test?

• This test measures the concentration of total calcium in the blood serum
• including both: Bound Calcium (attached to proteins such as albumin) Free (Ionized) Calcium (the biologically active form) The result helps evaluate calcium metabolism and overall mineral balance in the body.

How to Prepare

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Description

Calcium measures a biochemical marker used to assess kidney, bone, electrolyte or metabolic health.