What does high INR and RDW SD mean in blood test?

High INR and RDW SD can be caused by numerous problems.

High levels of INR and RDW SD in the blood indicate a variety of health problems. If your blood INR level is between 0.9 ratio to 1.2 ratio and the RDW SD level is between 39 ratio to 46 fL, then your body does not have any underlying health problems. But if INR and RDW SD levels exceed these levels, you should see a doctor immediately.

Normal INR range : 0.9 - 1.2 ratio

Age-wise ideal INR level in blood:

Age	Ideal INR value
<5 years	0.978
5-10 years	1.063
10-15 years	1.155
15-20 years	1.146
20-25 years	1.138
25-30 years	1.129
30-35 years	1.12
35-40 years	1.111
40-45 years	1.103
45-50 years	1.199
50-55 years	1.19
55-60 years	1.181
60-70 years	1.172
70-80 years	1.163
80-90 years	1.154
90-100 years	1.145
>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 RDW SD range : 39 - 46 fL

Age-wise ideal RDW SD level in blood:

Age	Ideal RDW SD value
<5 years	42.393
5-10 years	42.072
10-15 years	45.732
15-20 years	45.386
20-25 years	45.043
25-30 years	44.702
30-35 years	44.364
35-40 years	44.029
40-45 years	43.696
45-50 years	43.366
50-55 years	43.038
55-60 years	42.712
60-70 years	42.389
70-80 years	42.068
80-90 years	45.728
90-100 years	45.382
>100 years	45.038

High INR and RDW SD levels in the blood can cause a number of health problems. Your GP may recommend follow-up tests to get an important picture of your overall health and well-being. If the results are greater than 1.2 ratio for INR and more than 46 fL for RDW SD, you may also need some follow-up tests that will help detect the underlying disease early.

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How is a blood test performed in the lab?

Depending on the symptoms you are experiencing, your doctor may order a INR and RDW SD test. In most hospitals INR and RDW SD results can be obtained within three to six hours after blood is taken. The blood is usually drawn from a vein on the inside of the elbow or the back of the hand. Drink plenty of water before your appointment. If you experience any symptoms that you are concerned about are out of the ordinary, call your doctor immediately.