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Lab Test

Coagulation Screen - Basic (PT, INR, aPTT)

Coagulation Screen - Basic (PT, INR, aPTT) is a group of blood tests that provides essential information about the clotting ability of your blood. The Prothrombin Time (PT), International Normalized Ratio (INR), and Activated Partial Thromboplastin Time (aPTT) are part of the basic coagulation panel. These tests are often used to diagnose bleeding disorders, to monitor the effectiveness of certain medication treatments, or to prepare for surgical procedures.


  • Profile Name: Coagulation Screen - Basic (PT, INR, aPTT)
  • Sample Type: Blood
  • Preparations Required: No special preparation is required, but it's advisable to wear clothing with sleeves that can be rolled up to ease blood collection.
  • Report Time: 4 hours

What is the Coagulation Screen - Basic test?

The Coagulation Screen - Basic test comprises the PT, INR, and aPTT tests, which assess how well your blood is clotting. These tests can detect problems in the coagulation process, which could lead to excessive bleeding or clotting.

Why is this test performed?

This test is performed to investigate unexplained bleeding or bruising, to monitor individuals who are taking blood-thinning medications, and to assess a patient's ability to form a blood clot before surgery.

Home Sample Collection Process

1
Book your convenient slot
Book your convenient slot
2
Sample Collection by Phlebotomist
Sample Collection by Phlebotomist
3
Reporting of the sample at lab
Reporting of the sample at lab
4
Download Reports
Download Reports
Frequently Asked Questions

The test involves taking a blood sample from a vein in your arm, typically using a needle. The blood sample is then sent to a laboratory for analysis.

A prolonged PT or aPTT could indicate a bleeding disorder. An increased INR is often a targeted outcome for individuals on blood-thinning medications. However, your doctor is best placed to interpret your results in the context of your overall health and medical history.

Certain medications, such as blood thinners, can affect your test results. Make sure your doctor is aware of any medications you're taking.

If your results are abnormal, your doctor will guide you on the next steps. This could involve further testing, adjusting medication doses, or exploring other treatment options.

The frequency of this test depends on your health condition and the medications you're taking. If you're on blood-thinning medication, your doctor may order regular tests to ensure the medication is working properly.

Yes, this test can help diagnose various conditions related to blood clotting, such as hemophilia, von Willebrand disease, and liver disease. It's also used to monitor the effectiveness of treatment with blood-thinning drugs.

The risks associated with this test are minimal and similar to those for any standard blood test, including minor pain or bruising at the site where the needle is inserted.

Many factors can affect blood coagulation, including certain medications, liver disease, vitamin K deficiency, and inherited clotting disorders.

PT measures the time it takes for your blood to clot, INR standardizes the PT result to help the comparison between labs, and aPTT measures the time it takes for your blood to clot when substances (reagents) are added to it.

No, this test requires a blood sample to be taken by a healthcare professional and analyzed in a laboratory.

Yes, you can eat and drink before the test. However, it's important to stay hydrated as it makes it easier to draw a blood sample.

If your results are abnormal, consult with your doctor who can interpret the results and guide you on the next steps.

Yes, abnormal results can often be managed with treatments such as medication adjustments or the introduction of new medications. Your doctor will guide you based on your specific condition and results.

Blood clotting is an essential process in the body to prevent excessive bleeding. Understanding the results of a basic coagulation screen can be crucial in managing bleeding disorders, monitoring treatment effectiveness, and planning surgeries. Always consult your doctor for interpretation of test results and further management.

Coagulation Screen - Basic (PT, INR, aPTT)
₹ 800
Schedule Test in Your Available Time
Locations Near You in Hyderabad
  • 4KM from Madhapur
  • 3KM from Banjara Hills
  • 1.9KM from Yusufguda
  • 3KM from Madhura Nagar
  • 5KM from Shaikpet