Reducing Clinical Variation: Improving ED Care and Reducing Cost

Clinical variation in U.S. healthcare contributes an estimated $265 billion in wasteful spending. Using the EDW, Health Quest developed an emergency department (ED) explorer analytics application, identifying opportunities for improvement. Health Quest was able to make data-driven decisions to reduce care variation and improve workflow, successfully improving ED patient flow.


  • 40% reduction in turnaround time for CBC and comprehensive metabolic panel during highest hours of ED utilization.
  • 1% relative reduction in ED LOS.
  • Enabled identification and case management of patients who are high utilizers of ED services.


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