Calcium Blood Test in Bengaluru
Also called: Total calcium, Blood calcium test, Ca+2
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What is a Calcium Blood Test ?
Know More About This Test
Serum Calcium is a blood test that measures the level of calcium circulating in the bloodstream. Calcium is a vital mineral required for strong bones and teeth, proper muscle contraction, nerve signal transmission, blood clotting, and regulation of heart rhythm. Nearly 99% of calcium is stored in bones, while the remaining circulates in blood in a tightly regulated balance controlled by parathyroid hormone, vitamin D, and kidneys. Even small fluctuations in calcium levels can lead to serious neuromuscular or cardiac symptoms, making this test essential in metabolic, renal, and endocrine evaluations.
Why Is This Test Recommended?
Serum Calcium testing is recommended to assess bone health and osteoporosis risk, diagnose calcium imbalance disorders, and evaluate parathyroid gland function. It is used to monitor chronic kidney or liver disease and investigate symptoms like muscle cramps, seizures, or abnormal heart rhythms. Calcium exists as total calcium (bound + free) and ionized calcium (active form), with total calcium being most commonly measured. Low calcium (hypocalcemia) may occur due to vitamin D deficiency, hypoparathyroidism, or kidney disease, while high calcium (hypercalcemia) may suggest hyperparathyroidism, malignancy, or excess supplementation.
What Do the Results Indicate?
Normal levels range approximately 8.6–10.2 mg/dL. Low calcium levels indicate vitamin D deficiency, hypoparathyroidism, or kidney disease. High calcium levels may suggest hyperparathyroidism, malignancy, or excess supplementation. Abnormal results require clinical correlation and often prompt further testing to identify the underlying cause.
How Is the Test Performed and Prepared For?
A blood sample is collected through standard venipuncture for laboratory analysis. Usually no fasting is required. Avoid calcium supplements before the test if advised by your doctor. Inform your doctor about vitamin D or antacid use as these may affect results.
Frequently Asked Questions (FAQs)
Is calcium test different from bone density test?
Yes; serum calcium measures blood levels while bone density tests (DEXA scan) assess bone strength and mass.Can dehydration affect calcium levels?
Yes, falsely elevate; dehydration concentrates blood, leading to artificially high calcium readings.Is fasting necessary?
Usually no; serum calcium testing typically does not require fasting.Can pregnancy alter calcium levels?
Slightly; pregnancy may cause minor changes in calcium levels due to increased demands.Should abnormal levels be rechecked?
Yes; confirmation testing is often needed to verify results and guide treatment.
Who should take this test
The Calcium test measures the mineral your bones, muscles and nerves need. It is advised if:
- You have muscle cramps or twitching
- You have bone pain or frequent fractures
- You feel weak, nauseous or unusually thirsty
- You have kidney disease or kidney stones
- You take calcium or vitamin D supplements
- Your parathyroid gland is being investigated
Calcium Blood Test testing in Bengaluru
Tapadia Diagnostic Centre in Bengaluru offers NABL-accredited Calcium Blood Test test from a Blood sample(s). Total calcium, Blood calcium test, Ca+2 is also prescribed for Weakness, nausea, constipation, bone pain, thirst, muscle cramps. Established in 1989, this doctor-led diagnostic centre ensures high accuracy. Home sample collection and walk-in facility available at our Bengaluru center. Pay at the centre with no advance payment. Book online or visit us.
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Calcium Blood Test in Bengaluru
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