What causes high CRP and low D Dimer?

High CRP and low D Dimer can be caused by many reasons.

If your CRP is in between 0 mg/L and 3 mg/L and your D Dimer is in between 0 ug/mL and 0.51 ug/mL then you need not worry as these are the normal ranges for CRP and D Dimer 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	0.11387
5-10 years	0.11788
10-15 years	0.12203
15-20 years	0.12633
20-25 years	0.13078
25-30 years	0.13538
30-35 years	0.14015
35-40 years	0.14508
40-45 years	0.15019
45-50 years	0.15548
50-55 years	0.16095
55-60 years	0.16662
60-70 years	0.17249
70-80 years	0.17856
80-90 years	0.18485
90-100 years	0.19136
>100 years	0.1981

*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 D Dimer : 0 - 0.51 ug/mL

Ideal values of D Dimer depending on age :

Age	Ideal D Dimer value
<5 years	0.114
5-10 years	0.118
10-15 years	0.122
15-20 years	0.126
20-25 years	0.13
25-30 years	0.135
30-35 years	0.14
35-40 years	0.145
40-45 years	0.15
45-50 years	0.155
50-55 years	0.16
55-60 years	0.166
60-70 years	0.172
70-80 years	0.178
80-90 years	0.184
90-100 years	0.19
>100 years	0.197

High CRP and low D Dimer can be caused by a lot of reasons. If you take CRP and D Dimer blood tests and the results are higher than 3 mg/L for CRP and lower than 0 ug/mL for D Dimer, 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 D Dimer Tests Are Done :

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