What causes high CRP and low Alkaline phosphatase?

High CRP and low Alkaline phosphatase can be caused by many reasons.

If your CRP is in between 0 mg/L and 3 mg/L and your Alkaline phosphatase is in between 30 U/L and 120 U/L then you need not worry as these are the normal ranges for CRP and Alkaline phosphatase 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	0.11361
5-10 years	0.11734
10-15 years	0.12119
15-20 years	0.12517
20-25 years	0.12928
25-30 years	0.13352
30-35 years	0.1379
35-40 years	0.14242
40-45 years	0.14709
45-50 years	0.15191
50-55 years	0.15689
55-60 years	0.16204
60-70 years	0.16735
70-80 years	0.17284
80-90 years	0.17851
90-100 years	0.18437
>100 years	0.19042

*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 Alkaline phosphatase : 30 - 120 U/L

Ideal values of Alkaline phosphatase depending on age :

Age	Ideal Alkaline phosphatase value
<5 years	30.984
5-10 years	32
10-15 years	33.05
15-20 years	34.134
20-25 years	35.254
25-30 years	36.41
30-35 years	37.604
35-40 years	38.837
40-45 years	40.111
45-50 years	41.427
50-55 years	42.786
55-60 years	44.189
60-70 years	45.638
70-80 years	47.135
80-90 years	48.681
90-100 years	50.278
>100 years	51.927

High CRP and low Alkaline phosphatase can be caused by a lot of reasons. If you take CRP and Alkaline phosphatase blood tests and the results are higher than 3 mg/L for CRP and lower than 30 U/L for Alkaline phosphatase, 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 Alkaline phosphatase Tests Are Done :

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