Reviewed: 16. April 2026
Quick Prothrombin Time (Quick)
Unit: %
Quick Explanation
The Quick value (prothrombin time) measures blood clotting ability via the extrinsic clotting pathway. Low values indicate prolonged clotting time and increased bleeding risk. The value is closely linked to liver function and vitamin K. Discuss any abnormal values 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 low — 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 Quick value due to warfarin or liver disease?
- →Do I need a normal Quick value before surgery?
- →Should I take vitamin K?
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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.