What causes high CRP and low INR?

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

If your CRP is in between 0 mg/L and 3 mg/L and your INR is in between 0.9 ratio and 1.2 ratio then you need not worry as these are the normal ranges for CRP and INR 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 CRP : 0 - 3 mg/L

Ideal values of CRP depending on age :

Age	Ideal CRP value
<5 years	0.11411
5-10 years	0.11838
10-15 years	0.12281
15-20 years	0.1274
20-25 years	0.13216
25-30 years	0.1371
30-35 years	0.14223
35-40 years	0.14755
40-45 years	0.15307
45-50 years	0.15879
50-55 years	0.16473
55-60 years	0.17089
60-70 years	0.17728
70-80 years	0.18391
80-90 years	0.19079
90-100 years	0.19793
>100 years	0.20533

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

If you want your blood test report to be interpreted by CRP specialist, then you can upload your report. Our CRP 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 CRP levels include:

• Inflammation
• Suspected bacterial infection
• Lupus
• Crohn disease
• Ulcerative colitis

If you want your blood test report to be interpreted by CRP specialist, you can upload your report. Our CRP 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 INR : 0.9 - 1.2 ratio

Ideal values of INR depending on age :

Age	Ideal INR value
<5 years	0.934
5-10 years	0.969
10-15 years	1.005
15-20 years	1.043
20-25 years	1.082
25-30 years	1.122
30-35 years	1.164
35-40 years	1.163
40-45 years	1.161
45-50 years	1.159
50-55 years	1.157
55-60 years	1.2
60-70 years	1.198
70-80 years	1.197
80-90 years	1.196
90-100 years	1.195
>100 years	1.194

High CRP and low INR can be caused by a lot of reasons. If you take CRP and INR blood tests and the results are higher than 3 mg/L for CRP and lower than 0.9 ratio for INR, 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 CRP and INR Tests Are Done :

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