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Optimization of Laboratory Ordering Practices for Complete Blood Count With Differential.

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An educational intervention successfully reduced the frequency of Complete Blood Count with Differential (CBC w/diff) tests. This optimization of laboratory testing practices did not negatively impact patient care.

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Area of Science:

  • Clinical Pathology
  • Laboratory Medicine
  • Healthcare Quality Improvement

Background:

  • Complete Blood Count (CBC) and CBC with Differential (CBC w/diff) are common laboratory tests.
  • Variations in ordering practices can lead to unnecessary testing and increased healthcare costs.
  • Optimizing test utilization is crucial for efficient patient care.

Purpose of the Study:

  • To evaluate the utilization patterns of CBC and CBC w/diff tests.
  • To determine if reducing CBC w/diff test frequency impacts patient care.
  • To assess the effectiveness of an educational intervention on test ordering.

Main Methods:

  • Comparative analysis of CBC and CBC w/diff test ordering before, during, and after an educational intervention.
  • Quantification of test frequency and repeat testing intervals.
  • Focus on specific hospital units, including the trauma burn intensive care unit.

Main Results:

  • CBC w/diff tests were ordered 10 times more frequently than CBC tests.
  • The trauma burn intensive care unit showed the highest utilization of CBC w/diff tests.
  • The educational intervention led to a significant reduction in CBC w/diff test orders and 12-hour repeat testing.

Conclusions:

  • Educational interventions can effectively modify laboratory test ordering practices.
  • Sustained changes in ordering behavior were observed post-intervention.
  • No adverse effects on patient care were identified, suggesting potential for similar interventions with other lab tests.