Definitions:

1. A protein present in blood serum in various abnormal states, such as inflammation or neoplasia. NOUN
   • After experiencing joint pain and swelling, her doctor ordered a blood test to measure her C-reactive protein levels to assess for inflammation.
2. A substance produced by the liver in response to inflammation. NOUN
   • In the study, researchers found a correlation between high C-reactive protein levels and the severity of infection in patients.

Synonyms:

• acute phase protein
• biomarker for inflammation
• inflammation indicator
• inflammatory marker