What does high CRP and BUN mean in blood test?

High CRP and BUN can be caused by numerous problems.

High levels of CRP and BUN in the blood indicate a variety of health problems. If your blood CRP level is between 0 mg/L to 3 mg/L and the BUN level is between 6 mg/L to 20 mg/dL, then your body does not have any underlying health problems. But if CRP and BUN levels exceed these levels, you should see a doctor immediately.

Normal CRP range : 0 - 3 mg/L

Age-wise ideal CRP level in blood:

Age	Ideal CRP value
<5 years	0.11705
5-10 years	0.12455
10-15 years	0.13253
15-20 years	0.14103
20-25 years	0.15007
25-30 years	0.15969
30-35 years	0.16993
35-40 years	0.18082
40-45 years	0.19241
45-50 years	0.20474
50-55 years	0.21786
55-60 years	0.23182
60-70 years	0.24668
70-80 years	0.26249
80-90 years	0.27932
90-100 years	0.29722
>100 years	0.31627

*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 BUN range : 6 - 20 mg/dL

Age-wise ideal BUN level in blood:

Age	Ideal BUN value
<5 years	6.385
5-10 years	6.794
10-15 years	7.229
15-20 years	7.692
20-25 years	8.185
25-30 years	8.71
30-35 years	9.268
35-40 years	9.862
40-45 years	10.494
45-50 years	11.167
50-55 years	11.883
55-60 years	12.645
60-70 years	13.456
70-80 years	14.319
80-90 years	15.237
90-100 years	16.214
>100 years	17.253

High CRP and BUN 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 3 mg/L for CRP and more than 20 mg/dL for BUN, 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 CRP and BUN test. In most hospitals CRP and BUN 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.