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What is a CALCIUM SERUM?

Calcium Serum is a blood test that measures the level of calcium in the bloodstream, an essential mineral required for strong bones and teeth, normal muscle contraction, nerve function, and blood clotting. The test is needed to detect abnormal calcium levels and evaluate conditions affecting the parathyroid glands, kidneys, bones, or vitamin D metabolism. It may also help investigate symptoms such as muscle cramps, weakness, or abnormal heart rhythms.

Additional Information

Also known as/ Other names: Serum Calcium Test, Total Calcium Test, Blood Calcium Test, Calcium (Total), Serum, Serum Total Calcium Assay, Plasma Calcium Test
Parameters: 1
Recommended for: M/F/Others
Sample Type: Blood
Patient Preparation: No prior preparation is needed
Reports: Same Day

FAQs

What does a high calcium level mean?

High blood calcium, or hypercalcemia, can occur with parathyroid disorders, certain cancers, excessive vitamin D or calcium intake, and some other medical conditions.

What does a low calcium level mean?

Low calcium, or hypocalcemia, may occur with vitamin D deficiency, kidney disease, parathyroid disorders, low magnesium, or other conditions affecting calcium regulation.

What are the symptoms of high calcium?

Mild high calcium may cause no symptoms. Higher levels can cause excessive thirst, frequent urination, constipation, nausea, weakness, fatigue, confusion, or other symptoms.

What are the symptoms of low calcium?

Low calcium may cause muscle cramps, tingling around the mouth or in the fingers, muscle spasms, weakness, or abnormal heart rhythms when significantly reduced.

What is the difference between total and ionized calcium?

Total calcium includes both protein-bound and free calcium, while ionized calcium measures the biologically active, unbound form circulating in the blood.

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