BlueCross BlueShield of Tennessee Medical Policy Manual

High Sensitivity C-Reactive Protein (hs-CRP) Testing for Cardiovascular Disease (CVD)

DESCRIPTION

C-reactive protein (CRP) is produced by the liver. CRP is an acute phase reactant protein. Under normal conditions CRP is found in low levels in the blood. Levels of CRP can increase in response to inflammatory conditions, infections and other disease states where tissue necrosis occurs. CRP is a nonspecific marker of inflammation. Levels of CRP can fluctuate substantially from day to day. Blood specimens are collected by venipuncture.

Conventional methodologies for measuring CRP in acute inflammatory diseases have a detection limit of 3-5 mg/L. The average CRP reading is 1.5 mg/L, with lower levels being a possible indication of chronic inflammation. High sensitivity CRP (hs-CRP) immunoassays can measure levels of CRP as low as 0.175 mg/L. The results of these hs-CRP assays are being investigated in various settings for a possible association with cardiovascular disease screening, diagnosis and management.

POLICY

IMPORTANT REMINDERS

ADDITIONAL INFORMATION

There is a lack of evidence to determine if measurement of C-Reactive Protein to assess cardiovascular risk results in improved patient outcomes.

SOURCES 

American College of Cardiology / American Heart Association. (2014). 2013 ACC/AHA guideline on the assessment of cardiovascular risk: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines. Retrieved March 9, 2017 from the National Guideline Clearinghouse (NCG:010480).

BlueCross BlueShield Association. Medical Policy Reference Manual. (12:2017). Cardiovascular Risk Panels (2.04.100). Retrieved February 1, 2018 from BlueWeb. (25 articles and/or guidelines reviewed)

Cahaba Government Benefit Administrators, LLC. (2018, January). LCD for pathology and laboratory: C-reactive protein; high sensitivity (hsCRP) (L34272). Retrieved February 1, 2018 from https://www.cms.gov.

Ferket, B. Van Kempen, B., Hunink, M., Agarwa, I., Kavous, M., Franco, O., et al. (2014). Predictive Value of Updating Framingham Risk Scores with Novel Risk Markers in the U.S. General Population. PLoS One, 9 (2), e88312. (Level 3 evidence)

Hou, J., Li, J., Wang, J., Lu, D., Wang, R., Huang, J., et al. (2015). The prediction of high-sensitivity C reactive protein for peripheral arterial sclerosis in middle-aged population. Zhonghua Yu Fang Yi Xue Za Zhi, 49 (10), 883-887. Abstract retrieved April 26, 2016 from PubMed database.

U. S. Preventive Services Task Force. (October 2009). Using nontraditional risk factors in coronary heart disease risk assessment: U.S. Preventive Services Task Force recommendation statement. Annals of Internal Medicine, 2009; 151:474-482.

ORIGINAL EFFECTIVE DATE:  9/1/2003

MOST RECENT REVIEW DATE:  4/12/2018   

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