What is the normal range for the International Normalized Ratio (INR)?

The normal range for the International Normalized Ratio (INR) is generally considered to be between 0.8 and 1.2. The INR is a standardized measure used to assess the blood's coagulation status and is particularly crucial for patients taking anticoagulant medications, such as warfarin. This range indicates a normal coagulation level, suggesting that the blood's ability to clot is functioning appropriately without increased risk of bleeding.

The INR can vary based on the individual's health status, medications, and specific clinical conditions, but the widely accepted standard for healthy individuals falls within this range. Values lower than this range may indicate a higher risk of clotting, while values significantly above this range, especially above 3.0, may indicate a higher risk of bleeding complications and require careful management.

Maintaining the INR within this normal range is essential for effective patient care, particularly in those on anticoagulant therapy, to balance the risk of thrombosis against the risk of hemorrhage.