Tests

High Sensitive C-Reactive Protein (hs-CRP) Test

Updated: Apr 15, 2026 Published: May 24, 2023 Medical Team 2 min read

    High Sensitive C-Reactive Protein (hs-CRP) is a blood test that measures the level of CRP, a protein that is produced by the liver in response to inflammation in the body. The test is typically used to help evaluate a person’s risk of developing heart disease or to monitor the effectiveness of treatment for conditions that cause inflammation.

    Pre-test preparation:
    No specific preparation is required for this test.

    Testing method:
    A blood sample is drawn from a vein in the arm and sent to a lab for analysis.

    Common symptoms for prescribing this test:
    Chest pain or discomfort
    Shortness of breath
    Fatigue
    Palpitations
    Swelling in the legs

    Diagnosis:
    High levels of hs-CRP in the blood may indicate an increased risk of heart disease, but the test is not used to diagnose specific conditions.

    Reference range:
    The reference range for hs-CRP levels varies depending on the lab that performs the test, but generally, levels below 3.0 milligrams per liter (mg/L) are considered low risk, levels between 3.0 and 10.0 mg/L are considered intermediate risk, and levels above 10.0 mg/L are considered high risk.

    Normal values:
    The normal values of hs-CRP in the blood can range from 0 to 3 mg/L.

    Medical disclaimer:
    It’s important to note that this information is provided for general educational purposes only and is not intended as a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of your physician or other qualified healthcare provider with any questions you may have regarding a medical condition or treatment.

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