C-reactive protein blood test

Key facts The C-reactive protein (CRP) blood test checks for inflammation in your body. A CRP blood test will show if there is inflammation in your body. A CRP blood test also helps to see how well you are responding to treatment. No special preparation is needed for a CRP blood test. What is the C-reactive protein (CRP) blood test? The C-reactive protein (CRP) test is a blood test that checks for inflammation in your body. CRP is a protein that is made in your liver and released into your bloodstream. Levels of CRP start to increase very soon after