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 …
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 …
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 …
INR Levels: Your Guide to Blood Clotting & Warfarin - INR
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.
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 …
Prothrombin time test - Mayo Clinic
Dec 3, 2024 · In people without health conditions, an INR of 1.1 or below is considered typical.
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 …
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.
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 …
Understanding INR Levels: What You Should Know About Blood ...
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 …