C-Reactive Protein (CRP)

For a brief introduction and guide to abbreviations, see Laboratory Tests: General Remarks.

Analyte [material]

C-reactive protein (CRP) [S/P]

Reference range, target level, or decision threshold

0.08-3.1 mg/L!!!; CPG

Cutoff value for acute phase response: 10 mg/L!!!; CPG

Cardiovascular risk cutoff: 2 mg/L!!!; CPG

Interpretation of results

↑ Infections, systemic connective tissue diseases, IBD, acute pancreatitis, MI, after surgery, malignancies

Minor ↑ tobacco smoking, increased body weight, atherogenic dyslipidemia, type 2 DM, arterial hypertension, hormone replacement therapy

Cardiovascular risk evaluation: <1 mg/L, low; 1-3 mg/L, moderate; >3 mg/L, high