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    What Is the Absolute Lymphocyte Count (ALC) Test?

    The Absolute Lymphocyte Count (ALC) test is a blood test that quantifies the number of lymphocytes in your blood. Lymphocytes are a type of white blood cell that help protect the body against infections, viruses, and bacteria, and also assist in the body’s immune response to diseases like cancer. They are also responsible for remembering pathogens (antigens), which enables the immune system to respond more quickly when encountering the same pathogen in the future. This is why we generally do not experience illnesses like measles or chickenpox more than once.

    The ALC test is commonly performed as part of a full blood count (FBC), a routine procedure that evaluates overall blood health. High lymphocyte levels may indicate the presence of infections, such as mononucleosis, hepatitis, or tuberculosis, or more severe conditions like blood cancers (leukaemia or lymphoma) or autoimmune disorders. Conversely, low lymphocyte levels, known as lymphocytopenia, can suggest underlying issues such as HIV, viral hepatitis, or conditions like lupus or severe combined immunodeficiency. Lymphocytopenia may also occur as a result of treatments that suppress the immune system, such as chemotherapy.

    The Absolute Lymphocyte Count test is a valuable tool for assessing immune health and diagnosing a range of medical conditions, supporting doctors in making well-informed treatment decisions.

    Absolute Lymphocyte Count (ALC) Test Parameters

    The Absolute Lymphocyte Count (ALC) test measures just one parameter – the number of lymphocytes in your blood. This can be reported as either an absolute count or a percentage of the total white blood cells (WBCs). In a healthy individual, lymphocytes typically represent around 20-40% of the total WBC count. The total number of lymphocytes is determined by multiplying the total WBC count by the percentage of lymphocytes in circulation. Lymphocytes are composed of different types, including T cells, B cells, and NK cells. T cells help defend your body by attacking infected or abnormal cells, while B cells produce antibodies that fight infections caused by viruses and bacteria. The number of these lymphocyte subsets can increase depending on the type of infection or illness present.

    Absolute Lymphocyte Count (ALC) Test Preparation

    Here are some important points to consider when preparing for an Absolute Lymphocyte Count test: Prerequisites In most cases, fasting or specific preparation is not required before undergoing an Absolute Lymphocyte Count test. Optimal Time for Testing The Absolute Lymphocyte Count test can be done at any time during the day. Who Should Have an Absolute Lymphocyte Count (ALC) Test? The test is beneficial for individuals with frequent infections, those with compromised immunity, patients with long-term health conditions, or those undergoing treatments such as chemotherapy. It is also helpful for people with immune-related conditions. Precautions Before the Absolute Lymphocyte Count (ALC) Test There are no particular precautions or steps to follow before having the Absolute Lymphocyte Count test.

    Why Take the Absolute Lymphocyte Count (ALC) Test?

    The Absolute Lymphocyte Count test helps assess the health and function of your immune system. It is typically recommended in the following situations:

    • Serious Illnesses: The ALC test is vital for evaluating immune system function, especially in critically ill patients.

    • Predicting Recovery: It can provide valuable information about a person’s recovery prospects following an illness or surgical procedure.

    • HIV Monitoring: The ALC test plays an important role in monitoring the immune system’s health in individuals living with HIV.

    • Sepsis Evaluation: For severe infections like sepsis, ALC helps assess the extent of the infection and guides treatment decisions.

    • Identifying Immune Issues: It is useful for detecting potential immune system problems. A low ALC level may trigger further investigations to determine the cause of the illness.

    Additionally, the ALC test may be recommended if symptoms related to abnormal lymphocyte levels are observed, such as:

    • Swollen lymph nodes

    • Fever

    • Night sweats

    • Abdominal pain

    • Weakness or fatigue

    • Shortness of breath

    These symptoms should be monitored closely, as they may indicate underlying immune system problems.

    FAQs on Absolute Lymphocyte Count (ALC) Test in Gurgaon

    The price for an ALC test in Gurgaon is ₹250. This covers the hassle-free collection of your sample from home, which will occur within 60 minutes of confirming your booking. The results will be provided within 6 hours following sample collection.

    Yes, Orange Health Labs does provide home sample collection for the Absolute Lymphocyte Count test in Gurgaon. A certified eMedic will arrive at your home to collect the sample within 60 minutes of confirming your booking, subject to available time slots.

    The Absolute Lymphocyte Count test gauges the number of lymphocytes in the blood, a vital component of the immune system. It aids in diagnosing infections, immune-related disorders, and other underlying health issues.

    Typically, there is no need to fast before taking an Absolute Lymphocyte Count test. That said, it’s always best to follow any preparation guidelines provided by your doctor.

    To schedule an Absolute Lymphocyte Count test, simply follow these steps:

    • Search for the test: Go to the Orange Health website and locate the Absolute Lymphocyte Count test.

    • Confirm the booking: Provide your address, select your preferred time slot, and confirm the booking.

    • Sample collection: A trained eMedic will visit your location to collect the sample.

    • Laboratory processing: Your sample will be processed in an ICMR-certified, NABL-accredited laboratory.

    • Receive results: The results will be shared via email or WhatsApp within 6 hours after sample collection, and you can also view them in the Orange Health app.

    The typical levels of Absolute Lymphocyte Count fall between 1,000 and 3,000 cells per microlitre of blood.

    After booking your Absolute Lymphocyte Count test, an eMedic will collect the sample within 60 minutes, and the results are usually delivered within 6 hours of sample collection.

    How often you need the ALC test will vary based on your health and your doctor’s guidance. For personalised advice, speak with your doctor.

    The Absolute Lymphocyte Count test assesses a single parameter – the overall number of lymphocytes circulating in your blood.

    Orange Health provides Absolute Lymphocyte Count test at home services in various locations in Gurgaon, including Sector 14, Sector 15, Sector 21, Sector 22, Sector 23, Sector 24, Sector 29, Sector 31, Sector 40, Sector 42, Sector 43, Sector 45, Sector 46, Sector 50, Sector 51, Sector 52, Sector 53, Sector 54, Sector 55, Sector 56, DLF Phase 1, DLF Phase 2, DLF Phase 3, DLF Phase 4, and DLF Phase 5.

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    References

    1. Cleveland Clinic. Lymphocytes: Function, Definition, Levels & Ranges.  Available from:  https://my.clevelandclinic.org/health/body/23342-lymphocytes
    2. Brihi JE, Pathak S. Normal and Abnormal Complete Blood Count with Differential.  Available from:  https://www.ncbi.nlm.nih.gov/books/NBK604207/
    3. Hamad H, Mangla A. Lymphocytosis [Internet]. PubMed. Treasure Island (FL): StatPearls Publishing  Available from:  https://www.ncbi.nlm.nih.gov/books/NBK549819/
    4. Ritter S. The absolute lymphocyte count (ALC) is a significant clue for immune deficiency.  Available from:  https://www.jacionline.org/article/S0091-6749(18)32090-6/fulltext