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    What Is an Activated Partial Thromboplastin Time (aPTT) Test?

    The Activated Partial Thromboplastin Time (aPTT) test is a blood test that measures the time taken for blood to clot. It specifically evaluates a set of clotting factors, revealing both their quantity and functionality.

    When you get a cut or injury, your body utilises specific proteins known as clotting factors to halt the bleeding. The aPTT test is useful in diagnosing unexplained bleeding or clotting disorders. If your blood clots too slowly, you might have a bleeding disorder, like haemophilia, which can lead to significant blood loss. Conversely, if clotting occurs too rapidly, it may result in clots that obstruct blood flow, potentially causing severe issues such as heart attacks or strokes. This test is also employed to monitor certain medications, including heparin, which is a blood thinner. Typically, the aPTT test is conducted alongside other assessments that evaluate clotting factors and their overall functionality.

    In summary, the aPTT test assists doctors in understanding how effectively your blood can clot, which is vital for managing bleeding and identifying abnormal conditions.

    Activated Partial Thromboplastin Time (aPTT) Test - Parameters

    The aPTT test primarily assesses how long it takes for your blood to clot, evaluating specific clotting factors present in the blood. It measures factors such as VIII, IX, XI, and XII, along with fibrinogen.

    The test is termed "activated" because a special substance is added to your blood sample to initiate the clotting process.

    If the aPTT result is elevated beyond normal levels, it may indicate an issue with the clotting factors. To investigate further, a mixing study can be conducted, where your blood is combined with normal plasma. If this mixing normalises the prolonged aPTT time, it suggests a deficiency in one or more clotting factors. If it does not correct the time, it may indicate the presence of an inhibitor affecting the clotting process, warranting further examination.

    Activated Partial Thromboplastin Time (aPTT) Test - Preparation

    Take the following into account before arranging an APTT test in Noida:

    • Prerequisites Fasting is unnecessary before undergoing an APTT test.

    • Best Time to Get Tested This test can be scheduled at any time during the day.

    • Who Should Get an APTT Test? It is recommended for those with unexplained bleeding, clotting problems, autoimmune diseases, liver issues, frequent miscarriages, or for monitoring heparin therapy.

    • Cautions Before Taking an APTT Test Usually, there are no specific preparations required for the APTT test, but you should consult your doctor to confirm if it is right for your circumstances.

    Why Take the Activated Partial Thromboplastin Time (aPTT) Test?

    An aPTT test, or Activated Partial Thromboplastin Time test, evaluates how effectively your blood clots by measuring specific proteins known as clotting factors. This test is beneficial if you experience unexplained bruising or bleeding, as it can reveal issues with your body’s ability to produce or utilise these factors properly. Additionally, it can help clarify the reasons behind the formation of blood clots, which may occur due to immune system problems where the body mistakenly attacks its own cells.

    If you are on blood-thinning medication, the aPTT test is crucial to ensure the treatment is effective and that you are on the correct dosage.

    The test is also performed before surgeries for certain patients to assess their risk of excessive bleeding during or after the operation. For those with liver disease, it can indicate whether the liver is producing sufficient clotting factors. Moreover, the aPTT test may be relevant for individuals who have experienced multiple miscarriages or if there are suspicions of a bleeding or clotting disorder.

    FAQs on the Activated Partial Thromboplastin Time (aPTT) Test in Noida

    The cost of the aPTT test is ₹ 550. This price includes swift home sample collection within 60 minutes after confirmation, and results will be available in 6 hours.

    Yes, Orange Health Labs provides home sample collection services for the aPTT test in Noida. Your sample will be collected at home within 60 minutes of your booking, subject to available slots.

    An aPTT test assesses the time it takes for blood to clot, helping to identify clotting disorders, monitor heparin therapy, evaluate bleeding risks prior to surgery, and assess conditions such as liver disease and autoimmune disorders.

    No, fasting is not necessary before undergoing an aPTT test.

    To book an aPTT blood test or health checkup through our platform, follow these steps:

    • Find the Test: Search for the Activated Partial Thromboplastin Time test in Noida and select Orange Health’s page from the results.

    • Review and Verify: Choose the aPTT test, check any prerequisites, enter your location, and complete your booking by selecting a suitable time for home sample collection.

    • Sample Collection: An eMedic will visit your location to collect the sample at the scheduled time.

    • Laboratory Processing: Your home sample will be sent to our ICMR-approved and NABL-accredited laboratory for analysis.

    • Receive Results: You will receive your aPTT test reports via email or WhatsApp within 6 hours, and they can also be accessed through our app.

    The normal range for the aPTT test is generally between 17.8 and 39.8 seconds.

    After you book the aPTT test, Orange Health Labs will send an eMedic to collect your home sample within 60 minutes. The home collection process typically takes only a few minutes. You can anticipate receiving your reports online within 6 hours.

    The frequency of the aPTT test is determined by your doctor based on your health condition and risk factors. It is important to follow your doctor's recommendations regarding how often to undergo the test.

    The aPTT test assesses a single parameter: the time it takes for blood to clot.

    Orange Health provides the aPTT test in Noida, allowing you to have it delivered conveniently to your home without the need to visit a physical laboratory. Local areas in Noida include, but are not limited to, DLF Phase 1, DLF Phase 2, DLF Phase 3, DLF Phase 4, DLF Phase 5, 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.

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    References

    1. MedlinePlus. Partial Thromboplastin Time (PTT) Test: MedlinePlus Lab Test Information [Internet].  Available from:  https://medlineplus.gov/lab-tests/partial-thromboplastin-time-ptt-test/
    2. Blood Clotting Too Quickly or Too Slowly? [Internet].  Available from:  https://my.clevelandclinic.org/health/diagnostics/25101-partial-thromboplastin-time
    3. Activated partial thromboplastin time | Pathology Tests Explained [Internet].  Available from:  https://www.pathologytestsexplained.org.au/ptests-pro.php?q=Activated+partial+thromboplastin+time#what-is-being-tested
    4. Zaidi SRH, Rout P. Interpretation of Blood Clotting Studies and Values (PT, PTT, aPTT, INR, Anti-Factor Xa, D-Dimer) [Internet].  Available from:  https://www.ncbi.nlm.nih.gov/books/NBK604215/