What is a CRP blood test?


Quick Answer

A CRP blood test, also known as a C-reactive protein test, is designed to measure the level of C-reactive protein in the bloodstream. C-reactive protein is a marker that indicates general levels of inflammation in the body, according to WebMD.

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Full Answer

According to WebMD, a normal CRP level is less than 10 milligrams per liter. However, a doctor needs to evaluate CRP test results within the context of a patient's overall health as well as other medical factors.

Any condition that causes inflammation in the body can cause an elevated CRP results. These conditions include infections as well as long term diseases, states WebMD.

One limitation of the C-reactive protein test is that it cannot determine where the inflammation is located or what is causing it. Additional tests are needed to find the cause and location of the inflammation, suggests WebMD.

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