Above the range
Common causes of a high C-Reactive Protein (CRP)
- Acute infection or inflammation
- Tissue injury or surgery
- Autoimmune flare
- Malignancy
All tests · Inflammatory & Other Chemistry · C-Reactive Protein (CRP)
Above the range
What causes a high C-Reactive Protein (CRP)?
Normal range < 1.0 (varies) mg/dL (< 10 mg/L SI). Specimen: Serum. See the full C-Reactive Protein (CRP) reference page for critical values and nursing considerations.
What is the normal range for C-Reactive Protein (CRP)?
The standard teaching reference range for C-Reactive Protein (CRP) is < 1.0 (varies) mg/dL in conventional units, or < 10 mg/L in SI units. This value is measured in serum.
| Specimen | Serum |
|---|---|
| Conventional range | < 1.0 (varies) mg/dL |
| SI range | < 10 mg/L |
| Panel | Inflammatory & Other Chemistry |
Full details, including nursing considerations, on the C-Reactive Protein (CRP) normal range page. Reference ranges vary by laboratory, method, age, sex, and population - always use the range printed on the actual result.
Same panel