
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 …
Understanding INR Levels and Prothrombin Time Tests - GoodRx
Mar 16, 2023 · For most people who take warfarin, the target INR is between 2 and 3, or 2.5 to 3.5, depending on the indication. But that number often rises over the target range — even …
What Is a Normal INR Level and Its Target Ranges?
Aug 21, 2025 · For healthy individuals not taking medications that affect blood clotting, a normal INR level typically falls between 0.8 and 1.2. This range indicates expected clotting time.
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.
PT, PTT, and INR Blood Tests: Purpose and Normal Ranges
Jan 19, 2024 · For people on warfarin, the reference range of values for PT/INR is 2 to 3 seconds. 3. High and low INR values are interpreted as follows: Low INR values mean that you may be …
What is a Blood Test INR and Why It’s Done - Centers Urgent Care
Below is an explanation of what constitutes a normal INR range and the significance of both high and low INR levels. The normal INR range varies depending on whether the individual is on …
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 the International Normalized Ratio (INR) Test
For most healthy individuals, the **normal INR range** is typically between 0.8 and 1.2. However, if you are on blood thinners, your target INR range may be higher—often between 2.0 and …
Blood INR Range Chart - NCLEX Quiz
Jun 13, 2019 · An INR up to 10 is targeted in hyper-therapeutic situations, where any clotting at all absolutely must be avoided. Here is a brief simplified chart of human blood INR Range, …
PT (Prothrombin Time) and INR - MLabs
Jul 23, 2025 · Recommended therapeutic ranges for oral anticoagulant therapy: INR 1.2 - 1.5 Prevention of catheter-related venous thrombosis; INR 2.0 - 3.0 Treatment of venous or …