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The APTT test measures how long it takes for your blood to clot. It evaluates the function of various clotting factors in your blood. A blood sample is taken to perform the test, and the results can help diagnose bleeding disorders or monitor treatment effects, especially if you're on blood thinners. The procedure is quick, and results are usually available within 1-2 days.
What Is the APTT Test?
When a blood artery ruptures, proteins in the blood known as clotting factors stimulate the creation of a blood clot, which promptly stops bleeding. Blood clots do not form correctly when there is an insufficient clotting factor in your blood. This could prevent the formation of clots properly and cause unwanted or excessive bleeding. Furthermore, when blood clotting factors do not function correctly, clots in blood arteries might develop when they should not. The APTT test is used to determine how long it takes your blood to clot.
Why Is the APTT Test Done?
The APTT Test is used to assess your body's potential to form clots. The APTT test helps identify or rule out bleeding issues in patients with a bleeding condition. It may also be used to determine the source of bleeding in a patient with an unclear history or who is unable to stop bleeding. The test can also be used to track the efficacy of blood-clotting medications and to treat particular causes of irregular bleeding.
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Get Second OpinionWhen Is the APTT Test Needed?
This test may be required if you bleed heavily when harmed or if you need to undergo a medical treatment, such as surgery. In contrast, if your blood doesn't clot normally, your doctor may order this test to determine the cause. This test can also be used to examine a patient's reaction to the blood thinner heparin.
How Is the APTT Test Procedure Performed?
To obtain a blood sample, a needle is placed into a vein in your arm. A little sample of your blood will be drawn and placed in a vial or test tube. You may be required to remain motionless for five minutes or more while the needle is inserted.
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Are There Any Risks or Side Effects of the APTT Test?
The APTT test is a safe and low-risk procedure. Possible side effects include:
- Slight pain or discomfort when the needle is inserted.
- Minor bruising or swelling at the puncture site.
- Rarely, there may be an infection or prolonged bleeding at the site, but this is uncommon.
How Do I Understand My Activated Partial Thromboplastin Time Test (APTT) Results?
- If your test result is greater than usual, you might be suffering from a bleeding illness or liver disease.
- If your activated PTT test score is lower than usual, you may have an undetected disease that increases your chances of developing blood clots and miscarriage.
- You may be requested to do more tests to identify what is causing these issues.
Test outcomes may differ based on who is tested, how the test is performed, and other factors. Do not be alarmed if your test findings are not as expected. Your healthcare practitioner will provide further information regarding the test findings.
Keep in mind that when an abnormal APTT blood test is detected, it does not definitely indicate any disease or condition. It solely offers information on your blood's capacity to clot. A number of disorders and ailments are linked to aberrant APTT readings, including abnormal results in PTT and APTT tests.
The activated PTT normal range and APTT test normal range may vary slightly between labs, but generally, normal APTT levels fall between 30 to 40 seconds. Always consult your healthcare provider to interpret your specific test results and take the necessary steps based on their guidance.
Who Should Take the APTT Test?
The APTT test is helpful for:
- People with a history of bleeding or clotting disorders.Individuals undergoing treatment for blood clotting or on anticoagulant medications like heparin.
- Patients with liver disease, as it affects clotting factor production.
- People undergoing pre-surgical evaluation, especially if there's a concern about bleeding risks.
How Should I Prepare for the APTT Test?
In most cases, no special preparation is needed. However:
- You may be asked to fast for a few hours before the test if it's part of a larger panel.
- Inform your doctor about any medications or supplements you're taking, especially if you're on blood thinners or other medications that affect clotting.
- It's important to avoid alcohol before the test, as it can impact clotting.
- Stay hydrated, as dehydration can sometimes affect test results.
What Type of Sample Is Collected for the APTT Test and How?
A blood sample is needed for the APTT test. Here's how it's done:
- A healthcare provider will wrap a tourniquet around your arm to make your veins more visible.
- The area will be cleaned with an antiseptic wipe.
- A sterile needle will be inserted into your vein, usually at the inner elbow, to collect the blood.
- Once the sample is taken, pressure will be applied to the site to stop bleeding, and a bandage will be placed.
How Long Does the APTT Test Take?
The sample collection takes about 5 minutes, and the results are typically available in 1-2 business days. In some urgent situations, results may be processed more quickly.
When Will I Get My APTT Test Results?
Results are generally available within 12to 24 hours.Reports are sent directly to you via WhatsApp or as a printed copy. In certain cases, if the test is urgent, your doctor may receive the results the same day.
What Should I Do After Getting My APTT Test Results?
Depending on your results:
- Normal results: No action may be needed, but your doctor will monitor the situation.
- Prolonged APTT: Further testing may be needed to determine the cause, and treatment may be adjusted if you're on anticoagulant medication.
- Shortened APTT: Additional tests may be needed to evaluate clotting risks.
Always follow your doctor's guidance for the next steps based on your results.
Is the APTT Test Painful?
The test is generally not painful. Most people feel only a brief pinch when the needle is inserted. Any discomfort usually lasts only a few seconds. If you're nervous about needles, let the healthcare provider knowthey can help you feel more comfortable during the procedure.
What Factors Affect the Cost of APTT Test?
The cost of an APTT (Activated Partial Thromboplastin Time) test can vary based on:
- The laboratory conducting the test.
- Whether additional clotting factor tests are required.
- The geographic location of the testing facility.
- Pre-test consultations with hematologists.
- Any urgent or emergency testing fees.
How Much Does the APTT Test Cost in India?
The Activated Partial Thromboplastin Time (APTT) test is important for assessing blood clotting. In India, the price of APTT test can range from Rs. 300 to Rs. 600, with the price being higher in more advanced hospitals or diagnostic centers in cities like Delhi and Mumbai.
APTT Test Prices in Different Cities Across India
| City | Price |
| Hyderabad | Rs.300 - Rs.600 |
| Vizag | Rs.300 - Rs.600 |
| Nashik | Rs.300 - Rs.600 |
| Chh. Sambhajinagar | Rs.300 - Rs.600 |
| Nellore | Rs.300 - Rs.600 |
| Chandanagar | Rs.300 - Rs.600 |
| Srikakulam | Rs.300 - Rs.600 |
| Sangamner | Rs.300 - Rs.600 |
| Kurnool | Rs.300 - Rs.600 |
| Kakinada | Rs.300 - Rs.600 |
| Karimnagar | Rs.300 - Rs.600 |
| Pune | Rs.300 - Rs.600 |
| Nizamabad | Rs.300 - Rs.600 |
| Navi Mumbai | Rs.300 - Rs.600 |
| Vizianagaram | Rs.300 - Rs.600 |
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Frequently Asked Questions
APTT stands for Activated Partial Thromboplastin Time. It is a normal blood test that measures the total time it takes for blood to clot.
The APTT test is performed to check for blood clotting problems. It is used to monitor the effectiveness of blood-thinning medications like heparin, diagnose bleeding disorders like hemophilia, and to assess the risk of excessive bleeding during surgical procedures.
The APTT test involves taking a sample of blood from a vein in the arm. The blood is mixed with a substance that activates the clotting process, and the time it takes for the blood to clot is measured.
The normal range for APTT varies depending on the laboratory performing the test but generally falls between 25 and 35 seconds.
Abnormal APTT results can indicate a clotting disorder, a bleeding disorder, or the presence of a medication that affects blood clotting. Further testing may be required to diagnose the underlying cause.
Yes, certain medications like heparin and warfarin can affect APTT results. Other factors that may affect APTT results include liver disease, vitamin K deficiency, and lupus anticoagulant.
You might need to fast before the test. Ask your doctor. Be sure your doctor is aware of all medications, herbs, vitamins, and supplements you are taking.
APTT is used to monitor heparin therapy by measuring the time it takes for blood to clot after heparin is administered. The goal is to keep the APTT within a therapeutic range that prevents blood clots while avoiding excessive bleeding.
The APTT Test price ranges from Rs. 300 to Rs. 600. However, the cost might vary from place to place.
You can get an APTT test at Medicover Hospitals.
