What is a normal reading for CRP test?

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related to an answer for: CRP & hs-CRP - Difference & Normal Range

3 Answers

Normal value is <1.

A normal reading is less than 10 mg/L in a standard CRP test. If your CRP level is greater than 10 mg/L, it is a sign of serious infection, trauma or chronic disease.

In terms of a high-sensitivity C-reactive protein (hs-CRP) test, an hs-CRP level of less than 2.0 mg/L is lower risk and that of greater than 2.0 mg/L is higher risk.

However, these standards are not the only measure. Your doctor will take the results of other tests into consideration.

The normal range for C-reactive protein, or CRP, is less than 1.0 milligram per deciliter or less than 10 milligrams per liter. An elevated CRP level generally indicates long-term disease or infection.

CRP levels of 1 mg per liter or lower are considered low risk for cardiovascular disease.
CRP levels of 1-3 mg per liter are considered moderate risk for cardiovascular disease.
CRP levels greater than 3 mg per liter are considered high risk for cardiovascular disease.
CRP levels greater than 10 mg per liter may suggest an acute coronary process, such as heart attack (acute myocardial infarction).
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