What Is a Normal Range in a CRP Test?


Quick Answer

The normal range in a C-reactive protein test is less than 1.0 milligram per deciliter or less than 10 milligrams per liter, according to WebMD. Normal values, called a reference range, may vary depending on the lab and are only a guide for what is considered normal.

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Full Answer

A CRP test is a physician ordered blood test that measures the amount of C-reactive protein, in the blood, notes WebMD. Results are generally based on the patient’s health and other factors, such as recent exercise, infection and obesity. Although a CRP value may fall outside the normal range, a physician can determine if the range is normal for the patient or the lab that performed the test.

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