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PT INR (Prothrombin Time with INR)

PT INR (Prothrombin Time with INR) near me in Noida

Also referred as
Prothrombin Time International Normalized Ratio
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The PT INR (Prothrombin Time with INR) test is performed to estimate blood's ability to clot and is available at an affordable price in Noida with Tata 1mg labs. It helps provide essential information to manage bleeding or clotting disorders. The PT INR (Prothrombin Time with INR) test can be done if you have symptoms of bleeding or clotting disorders, such as unexplained heavy bleeding, easy bruising, unusual heavy nose bleeds, leg swelling, redness on the legs, or chest pain. It also helps monitor and adjust medication dosages in patients taking anticoagulant medications, such as warfarin. PT/INR test is also vital in diagnosing conditions such as hemophilia, liver disease, and vitamin K deficiency, which can impair the blood's ability to clot blood.

The INR is a standardized interpretation of the PT results. It is calculated to ensure consistency in interpreting PT values across different laboratories and testing methods. The INR is particularly important when monitoring patients on anticoagulant medications, such as warfarin. It helps adjust medication dosages to maintain blood clotting within a therapeutic range. Higher-than-normal values indicate that blood takes a longer time to clot, whereas lower-than-normal values could indicate a clotting disorder where blood takes less time to clot. 

Usually, overnight fasting (8-12 hours) is preferred before a PT/INR test, and a duly filled coagulation requisition form is mandatory for sample collection.

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Blood
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Preparations
Overnight fasting required for 8 to 12 hours
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Understanding PT INR (Prothrombin Time with INR)

Blood clotting is a complex physiological process that involves various blood components and coagulation factors. It is vital for preventing excessive bleeding and maintaining overall health. Prothrombin is a protein and type of clotting (coagulation) factor the liver makes. A PT INR (Prothrombin Time with INR) test helps measure how long it takes for blood to clot. The International Normalized Ratio (INR) is a standardized method used to interpret test results consistently.

The PT INR (Prothrombin Time with INR) test can be done if you have symptoms of bleeding or clotting disorders, such as unexplained heavy bleeding, easy bruising, unusual heavy nose bleeds, leg swelling, redness on the legs, or chest pain. It also helps monitor and adjust medication dosages in patients taking anticoagulant medications, such as warfarin. PT/INR test is also vital in diagnosing conditions such as hemophilia, liver disease, and vitamin K deficiency, which can impair the blood's ability to clot blood.

Usually, overnight fasting (8-12 hours) is preferred before a PT INR (Prothrombin Time with INR) test, and a duly filled coagulation requisition form is mandatory for sample collection.

Test result ranges are approximate and may differ slightly between labs depending on the methodology and laboratory guidelines. Talk to your doctor about your specific test results. Narrate your complete medical history to help the doctor correlate your clinical and laboratory findings. The test results will help the doctor prevent, manage, and treat coagulation-related health issues.

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What does PT INR (Prothrombin Time with INR) measure?

The PT INR (Prothrombin Time with INR) test measures the Prothrombin Time (PT) and reports it as the International Normalized Ratio (INR). The PT measures how long it takes for blood to clot. Specifically, it assesses the factors in the blood that help initiate the clotting process. The INR is a standardized interpretation of the PT results. It is calculated to ensure consistency in interpreting PT values across different laboratories and testing methods. It is particularly important when monitoring patients on anticoagulant medications, such as warfarin. The INR helps adjust medication dosages to maintain blood clotting within a therapeutic range.

FAQs related to PT INR (Prothrombin Time with INR) in Noida

The PT INR (Prothrombin Time with INR) test helps detect and diagnose a bleeding disorder or an excessive clotting disorder and is used to monitor how well blood-thinning medications (anticoagulants), such as warfarin, are working to prevent blood clots.
A trained phlebotomist will clean the skin using an antiseptic alcohol cotton swab or wipe and draw blood from your veins using a needle. The blood sample will be stored safely and transported to the lab for analysis.
There is usually no risk associated with this test. However, some people may feel a slight sting when a needle is pricked and experience some bleeding that is normal and usually not bothersome. Rarely, some people may also experience slight swelling or bruising at the site of the needle prick. Applying ice 3-4 times a day for about a week may help reduce swelling and bruising. If it does not get better, consult your doctor.
The INR value helps maintain consistent interpretations of PT results and guides the adjustment of anticoagulant medication dosages. This ensures that blood clotting remains within a therapeutic range.
Yes. In Noida, you can schedule the PT INR (Prothrombin Time with INR) test near you with Tata 1mg Labs. The test is easy to book, cost-effective, and available with a comprehensive report.
Yes, the PT INR (Prothrombin Time with INR) test is eligible for home sample collection in Noida. With Tata 1mg Labs, you can schedule a test at your convenience, and select a date and time for sample collection that fits your schedule.
Booking the PT/INR test with Tata 1mg Labs in Noida is quite straightforward. To schedule a test online, follow these steps: 1). Go to the Lab Tests section on the Tata 1mg website. 2). Add your preferred test to the shopping cart. 3). Choose a time and day that works for you as long as you also take the essential prerequisites into account. 4). A confirmation notification will be sent to you with all the details once the booking is complete.
We at Tata 1mg understand the importance of affordable healthcare and therefore provide lab tests at a pocket-friendly budget. The PT/INR test in Noida is available at Rs. 320.
Tata 1mg Labs understands the importance of timely results and strives to deliver them quickly. On average, we deliver the results of the PT/INR test in Noida in 15 hours.
Content created by
Written by:
Dr. Lipika Khurana
PGDHHM, BDS
Reviewed by:
Dr. Hitesh Tiwari
MD Pathology, MBBS
Want to know moreRead our editorial policy
Last Updated7th Oct 2025

PT INR (Prothrombin Time with INR) test price for other cities

Price inNew DelhiRs. 349
Price inBangaloreRs. 349
Price inGurgaonRs. 349
Price inKolkataRs. 299
Price inMumbaiRs. 379

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PT INR (Prothrombin Time with INR)