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    What Is a Calcium Test?

    A calcium blood test assesses the calcium levels in your blood. Abnormal levels—either too high or too low—can signal various health conditions, including bone disorders, thyroid and parathyroid diseases, kidney issues, and other medical concerns.

    Calcium is an essential mineral in the body, with about 99% of it stored in bones and teeth. The remaining calcium circulates in the blood and plays a critical role in numerous physiological processes, including maintaining healthy bone structure, nerve signaling, muscle contraction, heart function, blood vessel regulation, and the release of hormones that influence various body functions.

    The Serum Calcium test is commonly used to monitor general health during routine checkups, diagnose conditions resulting in abnormal calcium levels, evaluate the effectiveness of treatments for diseases affecting calcium balance, and track calcium levels in individuals with ongoing health issues. By assessing calcium concentration in the blood, this test aids in the early detection and effective management of related health conditions.

    Calcium Test Price

    Orange Health Labs offers the Calcium Blood test at ₹270. Also, get a home sample collection at a time that suits you. Orange Health Labs ensures reliable and affordable testing services, with samples collected by skilled eMedics at your preferred location. Please note that Serum Calcium test prices may vary depending on the city and the chosen laboratory. A detailed Calcium test cost breakdown in different cities is provided below:

    Calcium Test Cost Across India

    S.NoTest In CityPrice
    1Calcium Test in Bangalore₹ 270
    2Calcium Test in Gurgaon₹ 190
    3Calcium Test in Delhi₹ 190
    4Calcium Test in Hyderabad₹ 320
    5Calcium Test in Mumbai₹ 270
    6Calcium Test in Noida₹ 190
    7Calcium Test in Pune₹ 270

    Preparations Before the Calcium Blood Test

    Fasting Requirements

    Fasting is typically not necessary for a calcium blood test . However, it is essential to follow any specific instructions given by your doctor before the test.

    Medications and Supplements

    Certain medications and supplements can influence calcium levels. Inform your doctor if you are taking any of the following:

    • Calcium salts (often found in supplements or antacids)

    • Thiazide diuretics (water pills)

    • Levothyroxine

    • Vitamin D supplements

    • Lithium

    Calcium Test Procedure

    A blood sample is required for the Calcium test . After booking the test with Orange Health Labs, a professional eMedic will visit your location for sample collection. The process of blood sample collection is as mentioned below:

    • Preparation: The eMedic will explain the process to you and ensure you are seated comfortably.

    • Site Selection: A suitable vein, usually in the inner elbow area, will be chosen and the area cleaned with an antiseptic wipe.

    • Needle Insertion: A sterile needle will be inserted into the vein to draw blood. You may feel a mild sting or pinch during this step.

    • Blood Collection: The required amount of blood will be collected into a vial for testing.

    • Needle Removal: The needle will be carefully removed, and pressure will be applied to the insertion site using a gauze pad to prevent bleeding.

    • Bandaging: A small bandage will be placed on the puncture site to protect it.

    The sample collection can be completed in no time. The process usually takes about 10-15 minutes. The Calcium test results are usually available within 3 after sample collection.

    Why Take the Calcium Test?

    A calcium blood test is an important diagnostic tool to assess your overall health and detect potential imbalances in calcium levels. Here are some key reasons to consider getting a Calcium test:

    • Routine Health Screening: When combined with other tests, such as a regular medical checkup, a Calcium test provides an overview of your overall health.

    • Identify Nutritional Deficiencies: Malnutrition or problems with calcium absorption, such as those caused by gastrointestinal disorders, can be detected through this test.

    • Monitor Bone Health: Abnormal calcium levels may indicate bone-related disorders, making this test crucial for detecting conditions like osteoporosis or bone loss.

    • Assess Kidney Function: Since calcium levels are closely linked to kidney health, this test can help detect or monitor kidney diseases.

    • Diagnose Thyroid and Parathyroid Disorders: Calcium imbalances may point to issues with the thyroid or parathyroid glands, which regulate calcium in the body.

    • Evaluate Cancer-Related Risks: Certain cancers can affect calcium metabolism, and this test aids in identifying and monitoring such conditions.

    • Track Symptoms of Calcium Imbalance: Symptoms like muscle cramps, weakness, digestive issues, or changes in mental health may prompt your healthcare provider to recommend a Calcium test.

    Who Should Take the Calcium Test?

    The Serum Calcium test is essential for individuals with specific symptoms, health conditions, or ongoing treatments that may impact calcium levels. These include individuals:

    • Experiencing symptoms of calcium imbalance, such as muscle cramps, fatigue, brittle nails, or tingling sensations in the extremities.

    • With conditions affecting the kidneys, thyroid, parathyroid glands, or digestive system.

    • Undergoing treatment for bone-related conditions like osteoporosis or frequent fractures.

    • Experiencing malnutrition or issues with calcium absorption.

    • With certain cancers or chronic illnesses that influence calcium metabolism.

    Signs That You Might Need a Calcium Test

    Calcium deficiency or overload can be indicated by certain signs and symptoms.

    Signs of higher-than-normal calcium levels include:

    • Digestive issues like nausea, vomiting, loss of appetite, abdominal pain, and constipation

    • Increased thirst and frequent urination

    • Kidney stones

    • Bone, joint, or muscle discomfort, including weakness and aches

    • Persistent fatigue

    • Mental health changes like confusion or depression

    Lower-than-normal calcium levels can lead to signs like:

    • Dry skin, brittle nails, and hair that becomes coarse or breaks easily over time

    • Muscle cramps, spasms, or stiffness

    • Tingling sensations in areas like the lips, tongue, fingers, and feet

    • Irregular heartbeat or arrhythmia.

    Calcium Test Results Interpretation

    Normal Range:

    The normal calcium range is typically between 8.5 and 10.5 mg/dL, although this may vary slightly depending on the laboratory.

    Low Calcium (Hypocalcemia):

    Low calcium levels , known as hypocalcemia , may indicate underlying conditions such as vitamin D deficiency, magnesium deficiency, low protein levels, kidney disease, or hypoparathyroidism (underactive parathyroid glands). If calcium levels fall below the normal range, further investigation is essential to determine the cause.

    High Calcium (Hypercalcemia):

    Elevated calcium levels , referred to as hypercalcemia , can signal various conditions, including hyperparathyroidism (overactive parathyroid glands), bone diseases, excessive vitamin D, or certain types of cancer. If calcium levels are above the normal range, additional tests may be required to identify the underlying cause.

    FAQs on Calcium Test

    • Calcium Test Cost in Bangalore: ₹ 270

    • Calcium Test Price in Delhi: ₹ 190

    • Calcium Test Cost in Gurgaon: ₹ 190

    • Calcium Test Price in Hyderabad: ₹ 320

    • Calcium Test Cost in Mumbai: ₹ 270

    • Calcium Test Price in Noida: ₹ 190

    Symptoms of calcium imbalance can include muscle cramps, fatigue, numbness or tingling, bone pain, and in severe cases, confusion or heart arrhythmias.

    The frequency of calcium testing depends on individual health needs, such as being at risk for bone diseases, kidney disorders, or hormonal imbalances. Typically, it may be done annually or as recommended by your doctor.

    Yes, calcium levels can be improved with a diet rich in calcium-containing foods like dairy, leafy greens, and calcium-fortified products. Supplements may also be recommended by your doctor if dietary calcium intake is insufficient.

    Calcium testing involves a simple blood draw, which carries minimal risks like slight bruising or discomfort at the site of the injection. There are no significant risks associated with the test itself.

    Abnormal calcium levels can be caused by conditions such as kidney disease, parathyroid disorders, vitamin D deficiency, certain cancers, and hormonal imbalances.

    Yes, calcium levels can and should be monitored during pregnancy, especially if there are concerns about complications like pre-eclampsia or bone health. Proper calcium management is important for fetal development.

    Orange Health Labs ensures a hassle-free testing experience. Your Calcium test reports will be delivered within 3 hours of collection.

    Abnormal calcium results may indicate underlying health issues such as kidney disease, parathyroid problems, bone disorders, or nutritional imbalances. Further tests are usually needed to diagnose the specific cause.

    The Serum Calcium test does not require fasting. However, your doctor may provide specific instructions depending on the type of test and your health condition.

    What Does the Calcium Test Measure?

    The calcium test evaluates the total calcium in your blood, which includes two key forms: free (ionised) calcium and protein-bound calcium. Free calcium is active and vital for physiological functions, while bound calcium remains attached to proteins.

    Abnormal calcium levels in the blood can signal disruptions in calcium metabolism or issues with related organs, such as the bones, kidneys, thyroid, or parathyroid glands. This test plays a crucial role in identifying underlying conditions and guiding appropriate treatment.

    Normal Levels

    Maintaining calcium levels within the normal range is essential for supporting key bodily functions, including optimal bone health, proper nerve signalling, and effective muscle contraction. Proper calcium balance plays a crucial role in maintaining overall health.

    Factors That Can Affect Calcium Test Results

    Several factors can influence your calcium blood test results. Understanding these factors is essential for accurately interpreting the test results:

    1. Medications:

    Certain medications and supplements can directly affect calcium levels in the blood. These include antacids, diuretics (e.g., thiazide diuretics), calcium supplements, and vitamin D supplements. Depending on their composition and mechanism of action, these medications can either increase or decrease calcium levels.

    2. Vitamin D Levels:

    Vitamin D is crucial for calcium absorption. Insufficient vitamin D can impair calcium uptake, leading to hypocalcemia, while excessive supplementation may result in hypercalcemia.

    3. Kidney Function:

    The kidneys regulate calcium by filtering excess amounts and activating vitamin D. Kidney dysfunction, such as chronic kidney disease, can disrupt this balance, causing abnormal calcium levels.

    4. Parathyroid Gland Function:

    The parathyroid glands regulate calcium levels in the blood through parathyroid hormone (PTH). Overactive glands (hyperparathyroidism) may lead to high calcium levels, while underactive glands (hypoparathyroidism) can cause low calcium levels.

    When to Seek Medical Advice Based on Serum Calcium Test Results

    Calcium test results can provide valuable insights into your health, and certain outcomes may require medical attention.

    Low Calcium Levels

    If your calcium levels are below the normal range, it could indicate issues such as dietary insufficiency or an underlying condition.

    High Calcium Levels

    Elevated calcium levels may suggest more serious underlying conditions, such as hyperparathyroidism, bone disease, or certain cancers.

    In both cases, consult your doctor promptly for additional testing to determine the causative factors and follow your doctor’s recommendations for further evaluation and treatment to address the root issue.

    Advantages of Early Calcium Test

    A calcium blood test offers several important benefits that contribute to maintaining overall health:

    • Early Detection of Calcium Imbalances : This test helps identify abnormal calcium levels that may affect bone strength, muscle function, nerve signalling, and vital organ health. Early detection enables timely intervention to address issues before they progress. 1,7

    • Monitoring of Chronic Conditions : For individuals with conditions like osteoporosis, kidney disease, or parathyroid disorders, regular calcium testing provides critical insights. It helps track disease progression and evaluate the effectiveness of ongoing treatments. 1,2

    • Prevention of Complications : Untreated calcium imbalances can lead to serious complications, including fractures, kidney stones, or cardiovascular issues. Identifying abnormalities early through a calcium test can help prevent such outcomes by enabling proactive management.

    Common Diseases Diagnosed by Calcium Test

    A calcium blood test can help identify several conditions related to abnormal calcium levels in the body, as follows:

    The test helps diagnose low calcium levels which may be linked to diseases like:

    • Chronic kidney disease

    • Vitamin D and magnesium deficiency

    • Pancreatitis

    • Hypoparathyroidism

    The test also helps in detecting elevated calcium levels which may be associated with health conditions like:

    • Hyperparathyroidism

    • Certain cancers

    • Bone and joint disorders

    • Excessive intake of calcium and vitamin D

    Risk Factors for Abnormal Calcium Levels

    Calcium imbalances can arise from various factors that affect the body’s ability to regulate calcium levels. Key risk factors include:

    1. Poor Dietary Intake or Malabsorption:

    Insufficient consumption of calcium-rich foods or conditions that impair nutrient absorption, such as celiac disease or Crohn’s disease, can lead to low calcium levels.

    2. Chronic Kidney Disease or Thyroid/Parathyroid Disorders:

    The kidneys and parathyroid glands play a crucial role in calcium regulation. Chronic kidney disease can disrupt calcium filtration and vitamin D activation, while thyroid or parathyroid dysfunction can result in abnormal calcium levels.

    3. Long-Term Use of Certain Medications:

    Medications such as antacids, diuretics, or corticosteroids can affect calcium levels by altering absorption, excretion, or bone metabolism. The prolonged use of these drugs increases the risk of calcium imbalance.

    4. Lifestyle Factors:

    Certain lifestyle choices can reduce bone calcium levels, such as consuming a high-salt diet, excessive use of caffeine-containing drinks, low physical activity levels, smoking, and excessive alcohol intake.

    Complications of Untreated Abnormalities in Calcium Levels

    If calcium imbalances are left unaddressed, they can lead to serious health issues. Some common complications include:

    • Severe muscle cramps or spasms (tetany)

    • Weakened bones, increasing the risk of osteoporosis or fractures

    • Kidney stones or calcification of soft tissues

    • Calcium deposits in the kidneys (nephrocalcinosis), leading to poor kidney function

    • Kidney failure

    • High blood pressure (hypertension)

    • Depression

    • Bone cysts

    • Seizures (in the case of severe hypocalcaemia)

    • Congestive heart failure (in untreated hypocalcaemia)

    How to Maintain a Healthy Lifestyle?

    Maintaining proper calcium levels is essential for bone health and overall well-being. To achieve healthy calcium levels in the blood, follow these steps:

    1. Dietary Tips

    Incorporate calcium-rich foods into your meals, such as:

    • Dairy products, e.g., milk, cheese, and yogurt

    • Leafy greens, e.g., spinach and kale

    • Almonds and tofu

    • Fortified cereals and plant-based milk alternatives

    2. Supplementation

    Take vitamin D and calcium supplements as directed by your doctor. These supplements can help address deficiencies and improve calcium absorption.

    3. Lifestyle

    Engage in regular weight-bearing exercises, such as walking, jogging, or resistance training, to support bone density and overall calcium metabolism.

    Similar Tests to Calcium Test

    Further evaluation of calcium imbalance in the body may require tests other than the calcium test : Two key tests often used for further evaluation of calcium imbalance include:

    1. Ionised Blood Calcium

    Ionised blood calcium refers to the active form of calcium that is available in the blood for various functions. The test reflects the amount of calcium that is available for use by the body. This test can provide a more accurate picture of calcium status, especially if there is a concern about how much of the calcium in the blood is usable.

    2. Urine Calcium

    The urine calcium test measures the amount of calcium being excreted through urine. This test can help assess kidney function and how the body is handling calcium. High levels of calcium in the urine (hypercalciuria) may indicate conditions like kidney stones, while low levels could suggest an issue with calcium absorption or reabsorption by the kidneys.

    3. Other Related Tests

    If additional information is needed, your healthcare provider may also order tests to evaluate your phosphorus, magnesium, vitamin D, parathyroid hormone, thyroid hormones, and calcitonin levels. These tests can provide insights into your overall mineral and hormone balance, which can affect calcium metabolism and help identify potential causes of calcium imbalances.

    Types of Calcium Test

    There are two main types of Calcium blood tests:

    1. Total Calcium Test

    This test measures all the calcium in your blood, including bound (attached to proteins) and free (active) calcium. It’s the most common test, often included in routine health screenings.

    2. Ionised Calcium Test

    This test measures only the free, active calcium in your blood. It’s more accurate for assessing calcium that your body can use and is typically done if total calcium results are abnormal or if you have specific health concerns.

    Difference Between the Calcium Test and Other Similar Tests

    The Total Calcium test , which measures both bound and free calcium in the blood, provides an overall estimate of calcium levels and is commonly included in routine health screenings. Unlike the total calcium test, the ionised calcium test detects only the free concentration of calcium circulating in the blood. This is the calcium your body uses for critical functions, making it a more accurate reflection of your calcium status, especially if there are concerns about calcium utilisation. While the calcium blood tests focus on blood levels, the urine calcium test measures how much calcium is excreted in the urine. It helps assess kidney function and how well the body is processing calcium.

    Calcium Testing During Special Conditions

    Calcium Blood Test During Pregnancy

    Pregnancy increases the body's calcium requirements significantly, with the recommended daily intake rising from 600 mg to 1,200 mg to support the bone and teeth growth of the developing foetus. Serum calcium levels are influenced by more than just diet; factors like parathyroid hormone levels, vitamin D, and exposure to sunlight also play a role. Serum calcium levels typically decrease during the second and third trimesters due to increased blood volume. Measurement of calcium levels during pregnancy through Calcium blood tests helps prevent complications such as low birth weight, pre-eclampsia, preterm delivery, and neonatal death.

    Special Conditions That Require Calcium Test

    Various conditions and illnesses may have altered calcium levels and thus require testing. These include:

    • Sepsis: Sepsis can cause hypocalcaemia, and it's critical to monitor calcium levels in patients with sepsis, as low calcium may increase the risk of adverse outcomes.

    • Chronic Kidney Disease (CKD): CKD affects calcium regulation, leading to disturbances in both high and low calcium levels. Regular testing helps maintain calcium balance in CKD patients.

    • Parathyroid Disorders: Calcium testing is crucial in diagnosing parathyroid disorders, such as hyperparathyroidism or hypoparathyroidism. These conditions can significantly affect calcium levels in the blood, either leading to hypercalcaemia or hypocalcaemia.

    Regular calcium testing helps healthcare providers assess and address disturbances in calcium balance.

    Calcium Test Details

    Test NameCalcium Test
    Calcium Test PriceCalcium Test price is ₹ 270.
    Also Known AsCA test, Serum Calcium test, Calcium Blood Test
    PurposeTo measure the level of calcium in your blood.
    Pre-test InformationFasting is not required for a Calcium Test
    Report DeliveryGet reports within 3 hours.
    FrequencyAs prescribed by your doctor.
    Home TestingYes, home blood sample collection in 60 minutes from booking.
    Sample RequiredA blood sample is required for a Calcium Test

    Other Tests/Packages With Price

    Test/Package NameCost
    Calcium Test₹ 270
    Calcium Creatinine Ratio, Urine Test₹ 500
    Calcium, 24 hrs Urine Test₹ 240
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    Cholesterol Total Test₹ 210
    Fasting Blood Sugar (FBS) Test₹ 180
    Women Health Checkup - Essential Checkup₹ 1599
    Senior Citizen Checkup - Female Checkup₹ 4299
    Senior Citizen Checkup - Male Checkup₹ 4299
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    Highest Rated Diagnostic Lab

    • Experience with orange health was satisfactory and hassle-free. First I had booked for fasting sugar test and glucose level. But I wanted HBA1c test also to be done. So when the captain came into collect the sample on the spot i booked a new test and cancellEd glucose test. In an hour i got a confirmation call for cancellation of the test and received the refund by evening. Good experience
      Manal Sultana12 Sep 2023 • Bangalore
      5.0
    • My experience was great with orange labs , very professional home collection of samples and timely reports and good customer care support too Definitely recommend it
      Kruthika V4 Jan 2024 • Bangalore
      5.0
    • Prompt and trustworthy service. I was bedridden and got my test done at home and results were out within 3-4 hours. Highly recommend
      Fahad Salim4 Feb 2024 • Bangalore
      5.0
    • Quick and easy to book. Got my report very quickly. Very reliable, convenient and fast service.
      neeraj awasthi5 Jan 2024 • Bangalore
      5.0
    • It was very convenient as the slot was available after 7 pm and the updates given on the processing of the tests taken. The reports were quick as promised Hope the same service continues
      Shweta Kadur2 Oct 2023 • Bangalore
      5.0
    • Very good service. Got the report within 4 hours, even the reports can easily understandable, highly recommended.
      Syed Faiz28 Dec 2023 • Bangalore
      5.0
    • My experience with Orange labs have been excellent so far. Have relied on their home visit for regular blood tests given that it is a case of dengue, and close monitoring of the blood count is essential. They are prompt as promised and the results too are available within committed time lines. As to accuracy of results, I rely on the lab certifications to give me confidence. Would have wanted a voice interface ( a number to call ) for a first time experience, and an ability to order for quicker reports (2 hours) for a differential charge. For the service delivered as published, it is a 5-star
      Binesh Nair16 Jul 2023 • Bangalore
      5.0
    • Amazing staff and results on time if not even before time. Highly recommend. Not once have I been disappointed by the orange health labs. It’s my goto for any kind of blood tests.
      Swetha M15 Oct 2023 • Bangalore
      5.0
    • They provide a very good service. The individual that comes for taking the samples are very professional. The reports are also genuine. They provide great discounts also which u won't get in any other labs..
      Sana Sheikh5 Jan 2024 • Bangalore
      5.0
    • Booking was easy but some tweaks needed to allow finding the right tests. The assigned person was great. No pain or any discomfort. The reports came in quickly as well. Some data points were not collected - body weight and height which can impact the inference of the results.
      Siddharth Deb Varman9 Jan 2024 • Bangalore
      5.0

    Payment & Refund Policy

    • We do not accept cash payments
    • All modes of online payment are accepted
    • Refunds will be credited back to the source of payment within 5-7 working days of order cancellation.

    References

    1. https://medlineplus.gov/lab-tests/calcium-blood-test/  Available from:  https://medlineplus.gov/lab-tests/calcium-blood-test/
    2. https://my.clevelandclinic.org/health/diseases/23143-hypocalcemia#symptoms-and-causes  Available from:  https://my.clevelandclinic.org/health/diseases/23143-hypocalcemia#symptoms-and-causes
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