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Calcium Total & Ionized

Calcium Total & Ionized near me in Kolkata

Also referred as
Ca Total & Ionized
602+ booked recently
For men & women
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48 hours
Contains
2 tests
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The Calcium Total & Ionized test measures the overall calcium content in the blood, which includes both bound and free forms of calcium. It is essential for assessing calcium levels in the body and can help diagnose and monitor conditions such as bone disorders, kidney disease, and parathyroid abnormalities. This test ensures that calcium levels are within a healthy range for optimal bodily functions. It is available at an affordable price with Tata 1mg labs in Kolkata.

By analyzing both total and ionized calcium, doctors can better diagnose and manage a range of conditions, including parathyroid disorders such as hyperparathyroidism or hypoparathyroidism, metabolic bone disorders and specifically useful in patients with kidney disease, as they often have altered calcium and phosphate metabolism. Additionally, this test is particularly valuable in acute care settings, where accurate and timely information is vital for patient management, especially in those undergoing significant surgical procedures involving  the thyroid or parathyroid glands.

Usually, overnight fasting is preferred for this test. Do not take calcium supplements for 8 to 12 hours before you have the test as these may affect the test results.

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Overnight fasting required for 8 to 12 hours
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Understanding Calcium Total & Ionized

The Calcium Total & Ionized test helps understand calcium homeostasis. It offers insights into both total and free (ionized) calcium levels in the bloodstream. It comprises two blood tests: serum calcium and ionized calcium. The serum calcium test evaluates the overall calcium present in the body. It includes both bound forms (attached to proteins) and the free, active fraction. Conversely, the ionized calcium test specifically measures the unbound calcium, which is crucial for numerous physiological processes, including muscle function, nerve signaling, and blood coagulation. 

By analyzing both total and ionized calcium, doctors can better diagnose and manage a range of conditions. This includes parathyroid disorders such as hyperparathyroidism or hypoparathyroidism and metabolic bone disorders. This is specifically useful in patients with kidney disease, as they often have altered calcium and phosphate metabolism. Additionally, this test is particularly valuable in acute care settings, where accurate and timely information is vital for patient management. Especially in those undergoing significant surgical procedures involving the thyroid or parathyroid glands.

Usually, overnight fasting is preferred for this test. It is advisable to follow the doctor’s instructions and inform them of any medications or supplements being taken, as these may affect the test results. The doctor may advise stopping them temporarily. Do not take calcium supplements for 8 to 12 hours before the test, as these may affect the test results.

Lab test results may vary across laboratories. Do not self-medicate at home solely based on these results, and always consult a doctor for a proper understanding of the test results. The insights from the Calcium Total & Ionized test help doctors make informed decisions about the treatment and suggest medications, lifestyle changes, or dietary modifications. 

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What does Calcium Total & Ionized measure?

Contains 2 tests

The Calcium Total & Ionized test measures the combined levels of both bound and free calcium in the bloodstream. This includes calcium that is attached to proteins. Primarily albumin, as well as the free, active form is crucial for various physiological functions. Total calcium plays a significant role in maintaining bone density, regulating muscle function, and ensuring proper nerve transmission.

Serum calcium is an important test used to check calcium levels in the body. However, it is often paired with the ionized calcium test for a detailed insight into calcium metabolism, especially in critical care cases. It helps identify conditions with abnormal calcium levels. This information guides further diagnostic and therapeutic measures. Together, these measurements provide a comprehensive understanding of calcium status. It will help identify imbalances that may indicate underlying health issues.

The Serum Calcium test measures the calcium level in your blood. Most of your body’s calcium (about 99%) is stored in bones and teeth to keep them strong. The rest (1%) circulates in the blood and helps your muscles move, nerves work, blood to clot, and heart to keep a steady rhythm.

Calcium in blood comes in two forms:

  • Bound calcium, attached to proteins like albumin
  • Ionized (free) calcium, which is active and helps many body functions

This test measures total calcium (both bound and ionized). This test cannot show if you have enough calcium in your diet. It also cannot detect bone diseases like osteoporosis. The body keeps blood calcium levels steady. It does this by taking calcium from bones during mild shortages.

Know more about Serum Calcium

Ionized Calcium

FAQs related to Calcium Total & Ionized in Kolkata

The Calcium Total & Ionized is a blood test that measures both total serum calcium and ionized calcium levels. It helps assess calcium metabolism, diagnose related disorders, and monitor conditions affecting bone health and kidney function.
These tests are crucial for diagnosing and managing conditions related to calcium imbalance. Conditions include parathyroid disorders, kidney disease, and osteoporosis. They provide insights that help guide treatment decisions.
The ionized calcium test is generally considered better than the total calcium test. This is because it measures the biologically active form of calcium in the blood, providing a more comprehensive assessment of calcium status. Especially in critical care settings and in patients with conditions affecting protein levels.
There is usually no risk associated with this test. However, some people may feel a slight sting when a needle is pricked and may experience some normal bleeding that is usually not bothersome. Some people may also experience slight swelling or bruising at the site of the needle prick. Applying ice 3-4 times daily for about a week may help reduce swelling and bruising. If it does not get better, consult your doctor.
Frequency depends on individual health conditions and doctor’s recommendations. People with chronic conditions may need more regular testing.
Yes. In Kolkata, you can schedule the Calcium Total & Ionized test near you with Tata 1mg Labs. The test is easy to book, cost-effective, and available with a comprehensive report.
Yes, home sample collection for the Calcium Total & Ionized test is readily available in Kolkata. Tata 1mg Labs allows you to choose a date and time that suits your schedule for sample collection.
If you want to schedule the Calcium Total & Ionized test with Tata 1mg Labs in Kolkata, the procedure is fairly easy and hassle-free. Follow these steps to book a test: 1). Visit the Lab Tests section on the Tata 1mg website. 2). Add the test you want in the cart. 3). Pick a time and date slot according to your convenience; however, do consider the necessary prerequisites while scheduling a test. 4). You will receive a notification with all the details once the test is scheduled.
Tata 1mg Labs is a pocket-friendly platform for booking lab tests in Kolkata. The Calcium Total & Ionized test is available at an affordable price of Rs. 629.
We at Tata 1mg Labs recognize the value of prompt results. We strive to deliver test results with quick turnaround times so you can receive the information promptly. The reports of the Calcium Total & Ionized test in Kolkata are often provided in 48 hours.
Content created by
Written by:
Dr. Lipika Khurana
BDS, PGDHHM
Reviewed by:
Dr. Swati Gupta (Anand)
MBBS, MD Lab Medicine
Want to know moreRead our editorial policy
Last Updated5th Dec 2025

Calcium Total & Ionized test price for other cities

Price inBangaloreRs. 519
Price inGurgaonRs. 629
Price inNew DelhiRs. 629
Price inHyderabadRs. 530
Price inPuneRs. 519

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Contains 2 tests
Serum Calcium
Ionized Calcium