What causes high INR and low RDW?

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

If your INR is in between 0.9 ratio and 1.2 ratio and your RDW is in between 11.6 % and 14 % then you need not worry as these are the normal ranges for INR and RDW 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	0.946
5-10 years	0.994
10-15 years	1.044
15-20 years	1.097
20-25 years	1.153
25-30 years	1.15
30-35 years	1.147
35-40 years	1.144
40-45 years	1.141
45-50 years	1.199
50-55 years	1.196
55-60 years	1.193
60-70 years	1.19
70-80 years	1.187
80-90 years	1.184
90-100 years	1.181
>100 years	1.178

*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 RDW : 11.6 - 14 %

Ideal values of RDW depending on age :

Age	Ideal RDW value
<5 years	12.189
5-10 years	12.808
10-15 years	13.459
15-20 years	13.425
20-25 years	13.39
25-30 years	13.355
30-35 years	13.32
35-40 years	13.997
40-45 years	13.961
45-50 years	13.925
50-55 years	13.889
55-60 years	13.854
60-70 years	13.818
70-80 years	13.782
80-90 years	13.746
90-100 years	13.71
>100 years	13.674

High INR and low RDW can be caused by a lot of reasons. If you take INR and RDW blood tests and the results are higher than 1.2 ratio for INR and lower than 11.6 % for RDW, 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 RDW Tests Are Done :

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