This blood test measures a substance made by the liver called C-reactive protein, or CRP. The level of CRP in your child’s blood goes up when there is infection or inflammation (swelling and irritation) in the body. There are 2 different CRP tests.
The CRP test may help diagnose and treat a medical problem your child is having. It does not diagnose a specific problem, but it can help your child’s healthcare provider know what other tests your child might need. It’s also a way to see how well treatments for certain diseases are working.
Having this test will take just a few minutes. For young babies, the heel is pricked and a small amount of the blood is taken. For older children, a small amount of blood is taken from a vein in your child’s arm with a needle. The blood is collected in tubes and sent to a lab.
Ask your child’s healthcare provider when and how you will get the result of your child’s test.
Your child’s CRP level may be higher than normal if your child has a disease that is causing inflammation, such as:
Test results are only one part of a larger picture that takes into account your child’s medical history, physical exam, and current health. Sometimes a test needs to be repeated to check the first result. Talk to your child’s healthcare provider about the results and ask questions, such as: