Reviewed: 16. April 2026
INR International Normalized Ratio (INR)
Unit: (kein Einheit)
Quick Explanation
INR measures blood clotting time and is mainly used to monitor anticoagulants (e.g. warfarin). Values above 1.2 may indicate a prolonged clotting time, increasing bleeding risk. Discuss any changes with your doctor.
📊 Reference Values
ℹ️ Reference ranges may vary slightly between laboratories. Always compare your value with the reference range from your own lab report.
🔍 Possible Causes
Value too high — possible causes
- ·Warfarin / anticoagulant therapy
- ·Liver disease
- ·Vitamin K deficiency
- ·Clotting disorders
This list shows possible causes — not a diagnosis. Only your doctor can correctly interpret your result.
🩺 Questions for Your Doctor
- →Is my INR within the therapeutic range for my anticoagulation therapy?
- →Do I need to adjust my warfarin dose?
- →Can certain foods affect my INR?
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Medical Disclaimer
The content on this page is for general information only and does not replace professional medical advice, diagnosis, or treatment. Always consult your doctor or pharmacist for health-related questions. Lab values should always be assessed in the context of your personal medical history.