What causes high CRP and low RDW?

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

If your CRP is in between 0 mg/L and 3 mg/L and your RDW is in between 11.6 % and 14 % then you need not worry as these are the normal ranges for CRP 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 CRP : 0 - 3 mg/L

Ideal values of CRP depending on age :

Age	Ideal CRP value
<5 years	0.11339
5-10 years	0.11688
10-15 years	0.12048
15-20 years	0.12419
20-25 years	0.12802
25-30 years	0.13196
30-35 years	0.13602
35-40 years	0.14021
40-45 years	0.14453
45-50 years	0.14898
50-55 years	0.15357
55-60 years	0.1583
60-70 years	0.16318
70-80 years	0.16821
80-90 years	0.17339
90-100 years	0.17873
>100 years	0.18423

*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 RDW : 11.6 - 14 %

Ideal values of RDW depending on age :

Age	Ideal RDW value
<5 years	11.957
5-10 years	12.325
10-15 years	12.705
15-20 years	13.096
20-25 years	13.499
25-30 years	13.915
30-35 years	13.902
35-40 years	13.889
40-45 years	13.876
45-50 years	13.862
50-55 years	13.849
55-60 years	13.836
60-70 years	13.823
70-80 years	13.81
80-90 years	13.797
90-100 years	13.784
>100 years	13.771

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

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