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Activated Partial Thromboplastin Time (APTT) Test
Also Known As : Activated Partial Thromboplastin Time, PTT (Partial Thromboplastin Time)
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Brief Details
What is an APTT Test?
An Activated Partial Thromboplastin Time (APTT) test is a blood test that measures how long it takes for your blood to form a clot. The APTT test helps doctors detect bleeding disorders, monitor blood-thinning medications, and assess your blood's clotting ability before surgery. This test uses a blood sample drawn from a vein in your arm.
Frequently asked questions
Find quick answers to the most common questions about health tests, bookings, and reports.
There is no specific best time of day for an APTT test. You can take the test at any time as recommended by your doctor, since the timing does not affect the results.
No, fasting is not required for an APTT test. You can eat and drink normally before the test unless your doctor has other specific instructions for additional tests.
Yes, severe dehydration can potentially affect APTT results by concentrating your blood, which may alter coagulation parameters. It's best to stay adequately hydrated before your blood test.
No special dietary preparation is needed. However, inform your doctor about all medications, vitamins, and herbal supplements you're taking, as many can affect clotting test results.
A healthcare professional cleans your arm, ties an elastic band above the elbow, inserts a sterile needle into a vein, and collects blood in a special blue-top tube containing sodium citrate.
The risks are minimal and similar to any blood test: slight pain or bruising at the needle site, feeling dizzy, and rarely, infection or excessive bleeding at the puncture site.
The normal range for APTT is typically 24.0 to 39.2 seconds, though this may vary slightly between laboratories. Your report will show the specific normal range for that facility.
The APTT test is also known as Partial Thromboplastin Time (PTT). The "Activated" refers to substances added during testing to speed up and enhance the clotting measurement process.
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Book a Home Visit Now!
View your reports and upcoming health checkups at one place.
Please enter the OTP sent to your registered mobile number to verify your identity.
Not sure which tests to take? Share your prescription with us and our team will call you.
Popular Searches
Frequently Booked Tests
Frequently Booked Packages
Please share your details, our health advisor will call you or you can call us at 0804-8911-400.
Please share your details, our health advisor will call you or you can call us at 0804-8911-400.