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  1. Prothrombin Time (PT/INR) Test - Cleveland Clinic

    The normal ranges for PT/INR results are: 11 to 13.5 seconds. INR of 0.8 to 1.1. INR of 2.0 to 3.0 if you’re taking warfarin. (There are some conditions for which a higher or lower target PT range is …

  2. What Is a Normal INR Level for Blood Clotting? - ScienceInsights

    Nov 21, 2025 · For individuals not taking anticoagulant medication, the standard or “non-therapeutic” INR range is typically between 0.8 and 1.2. A result within this range indicates the blood is clotting at …

  3. What Is a Normal INR Level and Its Target Ranges?

    Aug 21, 2025 · For individuals on medication, regular INR monitoring ensures effective prevention or management of blood clots. For healthy individuals not taking medications that affect blood clotting, a …

  4. Your Guide to INR Levels: What It Means, Why It’s Important

    A normal PT-INR range for people who take warfarin is 2-3 but can vary from patient to patient. Patients who tend to clot more easily may have an INR target range of 3-4.

  5. Understanding INR Levels: What You Should Know About Blood Clotting

    Jun 16, 2025 · What Is the Normal INR Range? For healthy individuals not taking any blood thinners, the normal INR value typically ranges from 0.85 to 1.2. This indicates that the blood is clotting in a …

  6. Understanding Your Normal PT INR Levels: What You Need to Know

    May 30, 2025 · Understanding the normal PT INR range is crucial for patients on anticoagulant therapy. This article explains the normal PT INR values, related blood clotting tests, and what abnormal …

  7. What is a normal INR range, and does it vary by condition?

    The normal INR range typically falls between 2.0 and 3.0, but it can vary depending on the specific medical condition being treated. Patients with certain conditions, like atrial fibrillation or deep vein …

  8. Understanding the International Normalized Ratio (INR) Test

    Learn about the International Normalized Ratio (INR) test, its role in blood clotting, normal INR ranges, and why INR monitoring is crucial for patients on blood thinners like warfarin.

  9. Prothrombin Time Test and INR (PT/INR) - MedlinePlus

    INR levels that are too high may mean you are at risk for dangerous bleeding because your blood is taking longer than normal to form a clot. If your INR is not normal, your provider will probably change …

  10. Understanding INR Levels and Prothrombin Time Tests - GoodRx

    Mar 16, 2023 · A “normal” INR is between 0.8 and 1.1 if you’re not taking any medications that prevent your blood from clotting (sometimes called “blood thinners”). People who take warfarin have higher …