C-Reactive Protein (CRP): Results
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Results
A C-reactive protein (CRP) test is a blood test that measures the amount of a protein called C-reactive protein in your blood.
Normal
Normal values may vary from lab to lab. Results are usually available within 24 hours.
| Normal: |
|---|
Any condition that results in sudden or severe inflammation may increase your CRP levels.
Some medicines may decrease your CRP levels.
High-sensitivity C-reactive protein (hs-CRP) levels
The hs-CRP test measures your risk for heart problems. It may be done to find out if you have an increased chance of having a sudden heart problem, such as a heart attack. However, the connection between high CRP levels and heart attack risk is not very well-understood.
Less than 1.0 mg/dL | Lowest risk |
|---|---|
1.0 to 3.0 mg/dL | Average risk |
More than 3.0 mg/dL | Highest risk |
Many conditions can change CRP levels. Your doctor will talk with you about any abnormal results that may be related to your symptoms and medical history.
| Last updated: | March 26, 2008 |
|---|---|
| Author: | Robin Parks, MS |
| Reviewed By: | E. Gregory Thompson, MD - Internal Medicine, George Philippides, MD - Cardiology |
| Editors: | Kathleen M. Ariss, MS, Pat Truman, MATC |
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