Below is a plain-language overview of the crp test (c-reactive protein). A C-reactive protein (CRP) test measures inflammation in your body. It is often used to detect infection or inflammatory conditions.
Typical turnaround1-3 business days
Price range$49
PreparationFollow the lab's instructions.
Sample typeBlood draw at a collection lab
ReferralNo referral required
What this test is
C-reactive protein (CRP) is a substance produced by the liver. When inflammation is present in the body, the liver releases CRP into the bloodstream.
What it measures
C-Reactive Protein (CRP) — a marker of inflammation and infection
What the test involves
This test requires a blood sample. A healthcare professional will draw blood from a vein in your arm using a needle.
Why it is often ordered
Clinicians may order a CRP test to help identify the presence of inflammation or infection. It can also be used to monitor the effectiveness of treatment for inflammatory diseases.
Preparation
Follow the specific instructions provided by the laboratory where you will have your blood drawn. Generally, no special preparation is needed for this test.
How results are reported
Results are typically available within one to three business days. Reference ranges, which indicate what is considered normal, vary between laboratories.
Before you go
Specific preparation instructions
How results are reported
Typical turnaround time
Cities
CRP Test (C-Reactive Protein) in Rhode Island communities
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