What causes high INR and low MCV?

High INR and low MCV can be caused by many reasons.

If your INR is in between 0.9 ratio and 1.2 ratio and your MCV is in between 83 fL and 101 fL then you need not worry as these are the normal ranges for INR and MCV respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Normal range of INR : 0.9 - 1.2 ratio

Ideal values of INR depending on age :

Age	Ideal INR value
<5 years	0.945
5-10 years	0.993
10-15 years	1.043
15-20 years	1.096
20-25 years	1.151
25-30 years	1.148
30-35 years	1.145
35-40 years	1.142
40-45 years	1.2
45-50 years	1.197
50-55 years	1.194
55-60 years	1.191
60-70 years	1.188
70-80 years	1.185
80-90 years	1.182
90-100 years	1.179
>100 years	1.176

*Ideal values are calculated based on our database of patient records

If you want your blood test report to be interpreted by INR specialist, then 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

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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)

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

Normal range of MCV : 83 - 101 fL

Ideal values of MCV depending on age :

Age	Ideal MCV value
<5 years	87.192
5-10 years	91.595
10-15 years	96.221
15-20 years	95.975
20-25 years	100.822
25-30 years	100.565
30-35 years	100.309
35-40 years	100.054
40-45 years	99.799
45-50 years	99.545
50-55 years	99.291
55-60 years	99.038
60-70 years	98.785
70-80 years	98.533
80-90 years	98.282
90-100 years	98.031
>100 years	97.781

High INR and low MCV can be caused by a lot of reasons. If you take INR and MCV blood tests and the results are higher than 1.2 ratio for INR and lower than 83 fL for MCV, your physician may recommend more tests to figure out the problem. You might also get these tests if your physician thinks you have some other disease.

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How the INR and MCV Tests Are Done :

If your doctor wants INR and MCV tests on you, you may need to go through these tests. During the INR and MCV blood tests, a pathologist will put a needle into your veins and take out a small quantity of blood. A pathologist is a physician in the medical field who thoroughly studies the causes and effects of disease. Within a few hours you will get your INR and MCV Test reports by your pathologist.