What causes high INR and low Vitamin B12?

High INR and low Vitamin B12 can be caused by many reasons.

If your INR is in between 0.9 ratio and 1.2 ratio and your Vitamin B12 is in between 211 pg/mL and 911 pg/mL then you need not worry as these are the normal ranges for INR and Vitamin B12 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	0.95
5-10 years	1.003
10-15 years	1.059
15-20 years	1.118
20-25 years	1.18
25-30 years	1.176
30-35 years	1.172
35-40 years	1.168
40-45 years	1.165
45-50 years	1.162
50-55 years	1.158
55-60 years	1.154
60-70 years	1.151
70-80 years	1.148
80-90 years	1.145
90-100 years	1.141
>100 years	1.137

*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

1,37,160

Total number of patients treated

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 Vitamin B12 : 211 - 911 pg/mL

Ideal values of Vitamin B12 depending on age :

Age	Ideal Vitamin B12 value
<5 years	222.689
5-10 years	235.026
10-15 years	248.046
15-20 years	261.788
20-25 years	276.291
25-30 years	291.598
30-35 years	307.753
35-40 years	324.803
40-45 years	342.797
45-50 years	361.788
50-55 years	381.831
55-60 years	402.984
60-70 years	425.309
70-80 years	448.871
80-90 years	473.738
90-100 years	499.983
>100 years	527.682

High INR and low Vitamin B12 can be caused by a lot of reasons. If you take INR and Vitamin B12 blood tests and the results are higher than 1.2 ratio for INR and lower than 211 pg/mL for Vitamin B12, 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 Vitamin B12 Tests Are Done :

If your doctor wants INR and Vitamin B12 tests on you, you may need to go through these tests. During the INR and Vitamin B12 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 Vitamin B12 Test reports by your pathologist.