CRP

 C Reactive protein


A C-reactive protein (CRP) test measures the level of C-reactive protein — a protein made by your liver — in your blood. Your liver releases CRP into your bloodstream in response to inflammation.

When your body encounters an offending agent (like viruses, bacteria or toxic chemicals) or you have an injury, it activates your immune system. Your immune system sends out its first responders: inflammatory cells and cytokines.

These cells begin an inflammatory response to trap bacteria and other offending agents or start healing injured tissue. The result can be pain, swelling, bruising or redness. But inflammation also affects body systems you can’t see, such as your joints.

You normally have low levels of CRP in your blood. Moderately to severely elevated levels may be a sign of a serious infection or other inflammatory condition.

Why do healthcare providers perform CRP tests?

Healthcare providers typically order a C-reactive protein (CRP) test to help diagnose or rule out certain conditions, including:

  • #Severe bacterial infections, such as sepsis.
  • #Fungal infections. Osteomyelitis (infection of your bone).
  • #Inflammatory bowel disease (IBD).
  • #Some forms of arthritis.
  • #Autoimmune diseases, such as rheumatoid arthritis or lupus (systemic lupus erythemato
  • #Pelvic inflammatory disease (PID).

Providers also use CRP tests to monitor people after surgery or other invasive procedures to check for infection during their recovery period.

A CRP test alone can’t diagnose a condition or where the inflammation is in your body. Because of this, providers generally order additional tests if the CRP results show that you have inflammation.

Sample type:  Serum



fasting required :No

Normal: Less than 10 mg/L. 

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