C-reactive protein

Injury	Disease	Nutrition	Poison

Symptoms	Surgery	Test	Special Topic

Overview

Risks

Results

C-reactive protein

Alternative Names:

CRP

Normal Values:

Normal CRP values vary from lab to lab, but generally there is no CRP detectable in the blood (less than 0.6 mg/dL).

What abnormal results mean:

Since the CRP is a general test, a positive CRP may indicate a number of things, including:

Rheumatoid arthritis
Rheumatic fever
Cancer
Tuberculosis
Pneumococcal pneumonia
Myocardial infarction
SLE
Connective tissue disease
Bacterial, viral, fungal, or parastic infection
Other causes of ongoing inflammation

Positive CRP results also occur during the last half of pregnancy or with the use of oral contraceptives.

Review Date: 2/2/2005
Reviewed By: Stanford Peng, M.D., Ph.D., Division of Rheumatology, Washington University School of Medicine, St. Louis, MO. Review provided by VeriMed Healthcare Network.

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