Is INR 3.7 high, normal or dangerous? What does INR level 3.7 mean?
Your INR level of 3.7 is a High INR level.
High INR levels may indicate underlying health problems. The normal range is typically between 0.9 ratio and 1.2 ratio. If your levels are outside this range, it's important to speak with a healthcare provider. Consulting a doctor is recommended to determine the cause and appropriate next steps.
Important - Scroll to the end of this article to see how our patients managed their high INR levels
The normal INR range for men is :0.9 - 1.2 ratio
| Age | Ideal INR value |
|---|---|
| <5 years | 0.933 |
| 5-10 years | 0.968 |
| 10-15 years | 1.004 |
| 15-20 years | 1.041 |
| 20-25 years | 1.08 |
| 25-30 years | 1.12 |
| 30-35 years | 1.161 |
| 35-40 years | 1.159 |
| 40-45 years | 1.158 |
| 45-50 years | 1.157 |
| 50-55 years | 1.2 |
| 55-60 years | 1.198 |
| 60-70 years | 1.196 |
| 70-80 years | 1.194 |
| 80-90 years | 1.192 |
| 90-100 years | 1.19 |
| >100 years | 1.188 |
*Ideal values are calculated based on our database of patient records
Get Advice via Email : Send us your blood test report, and our INR experts will review it. You'll receive a detailed analysis and personalized treatment guidance via email within 12 hours. If you have additional blood test results besides INR, please include those too—an accurate diagnosis often requires a full view of all abnormalities. Upload blood test report now
1,51,150
Total number of patients treatedImportant - Read more questions about high INR levels after this video message
A video message on the treatment of your high INR level
If you want your blood test report to be interpreted by INR specialist, you can upload your report. Our INR expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours.Upload blood test report now
Important - At the end of this article read how our patients treated their high INR levels
Some examples of conditions that increase or decrease INR levels include:
- Liver disease
- Vitamin K abnormality
- Decreased or defective factor I (fibrinogen), II (prothrombin), V or X
- Hemophilia A and hemophilia B
- Autoantibody against a specific factor (e.g., factor VIII)
Receive world-class medical opinion about your high INR levels over email.Upload blood test report now
Important - At the end of this article read how our patients treated their high INR levels
Normal range of INR found among women :0.9-1.2 ratio
| Age | Ideal INR value |
|---|---|
| <5 years | 0.934 |
| 5-10 years | 0.97 |
| 10-15 years | 1.007 |
| 15-20 years | 1.045 |
| 20-25 years | 1.085 |
| 25-30 years | 1.126 |
| 30-35 years | 1.169 |
| 35-40 years | 1.168 |
| 40-45 years | 1.167 |
| 45-50 years | 1.165 |
| 50-55 years | 1.163 |
| 55-60 years | 1.161 |
| 60-70 years | 1.159 |
| 70-80 years | 1.157 |
| 80-90 years | 1.155 |
| 90-100 years | 1.199 |
| >100 years | 1.198 |
Also Read :Symptoms of High INR
If you take a INR blood test and the results are not in the normal range (0.9-1.2 ratio), your physician may recommend more tests to figure out the problem. You might also get this test if your physician thinks you have some other disease.
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How the INR Test Is Done :
When your doctor orders a INR test, it involves a straightforward blood draw to measure your INR levels. A pathologist or lab technician will take a small sample of blood from a vein using a needle. Your INR test results are usually available within a few hours.
