What causes high CRP and low Cystatin c?

High CRP and low Cystatin c can be caused by many reasons.

If your CRP is in between 0 mg/L and 3 mg/L and your Cystatin c is in between 0.62 mg/L and 1.03 mg/L then you need not worry as these are the normal ranges for CRP and Cystatin c 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	0.11395
5-10 years	0.11804
10-15 years	0.12228
15-20 years	0.12667
20-25 years	0.13122
25-30 years	0.13593
30-35 years	0.14081
35-40 years	0.14587
40-45 years	0.15111
45-50 years	0.15653
50-55 years	0.16215
55-60 years	0.16797
60-70 years	0.174
70-80 years	0.18025
80-90 years	0.18672
90-100 years	0.19342
>100 years	0.20036

*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 Cystatin c : 0.62 - 1.03 mg/L

Ideal values of Cystatin c depending on age :

Age	Ideal Cystatin c value
<5 years	0.642
5-10 years	0.665
10-15 years	0.689
15-20 years	0.714
20-25 years	0.74
25-30 years	0.767
30-35 years	0.795
35-40 years	0.824
40-45 years	0.854
45-50 years	0.885
50-55 years	0.917
55-60 years	0.95
60-70 years	0.984
70-80 years	1.019
80-90 years	1.018
90-100 years	1.017
>100 years	1.016

High CRP and low Cystatin c can be caused by a lot of reasons. If you take CRP and Cystatin c blood tests and the results are higher than 3 mg/L for CRP and lower than 0.62 mg/L for Cystatin c, 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 Cystatin c Tests Are Done :

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