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Reference system for cholesterol measurements.

G R Cooper1, G L Myers

  • 1Division of Environmental Health Laboratory Sciences, Center for Environmental Health and Injury Control, U.S. Department of Health and Human Services Atlanta, Georgia 30333.

Scandinavian Journal of Clinical and Laboratory Investigation. Supplementum
|January 1, 1990
PubMed
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Establishing a reliable cholesterol measurement system is crucial for accurate health data. The National Reference System for Cholesterol (NRS/CHOL) in the US ensures this accuracy through collaboration and standardized methods.

Area of Science:

  • Clinical Chemistry
  • Laboratory Medicine
  • Biomedical Measurement

Background:

  • Accurate cholesterol measurement is vital for clinical diagnostics, research, and product development.
  • A standardized reference system is essential to ensure the reliability and comparability of cholesterol test results across different laboratories.

Purpose of the Study:

  • To describe the establishment and components of a national reference system for cholesterol measurement in the United States.
  • To outline the collaborative efforts and infrastructure required for a robust cholesterol measurement reference system.

Main Methods:

  • Development of a definitive method (isotope dilution-mass spectrometry) and a reference method (modified Abell-Levy-Brodie-Kendall).
  • Establishment of commutable reference materials with long-term stability and accurate labeling.

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  • Integration of various organizations including NIST, CDC, CRMN, CAP, AAB, and manufacturers.

    • Main Results:

    • The National Reference System for Cholesterol (NRS/CHOL) was organized as part of the National Reference System for the Clinical Laboratory.
    • Key components like definitive and reference methods, certified reference materials, and standardization programs were implemented.
    • Mechanisms for traceability from clinical laboratories to the reference system were established.

    Conclusions:

    • The NRS/CHOL provides a framework for accurate cholesterol measurement, ensuring traceability and comparability.
    • This collaborative system significantly supports advancements in coronary heart disease research and clinical epidemiology.
    • The system's success relies on the integration of governmental, professional, and industrial stakeholders.