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Related Experiment Videos

Computer-based audit to detect and correct overutilization of laboratory tests

J M Eisenberg, S V Williams, L Garner

    Medical Care
    |November 1, 1977
    PubMed
    Summary
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    A new system effectively detects clinical laboratory overutilization. However, physician education programs did not significantly reduce the inappropriate use of laboratory tests, indicating a need for improved strategies.

    Area of Science:

    • Clinical Pathology
    • Health Services Research

    Background:

    • Overutilization of clinical laboratory services contributes to increased healthcare costs.
    • Identifying and reducing unnecessary laboratory testing is crucial for efficient healthcare delivery.

    Purpose of the Study:

    • To develop and evaluate a computer-based system for detecting inappropriate clinical laboratory use.
    • To assess the effectiveness of a physician education program in reducing laboratory overutilization.

    Main Methods:

    • A computerized reporting system was modified to flag patients with multiple lactic dehydrogenase (LDH) or calcium tests within seven days.
    • Patient charts were audited using explicit criteria to determine the justification for multiple laboratory studies.
    • Physicians were notified of overutilization during the study period, while a control period had no notifications.

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    Main Results:

    • The detection system successfully identified overutilization, with 51% of audited LDH tests showing overuse in the control period.
    • During the study period, 65% of audited LDH tests showed overutilization, a non-significant increase.
    • Simultaneous audits of calcium tests also revealed no significant change in overutilization rates between periods.

    Conclusions:

    • The developed computer-based method is effective for detecting and measuring clinical laboratory overutilization.
    • Physician notification and education programs were not effective in reducing laboratory test overutilization.
    • More effective interventions are required to modify physician behavior regarding laboratory test ordering.