Ambulance Diversion and Lost Hospital Revenues

Kenneth (John) McConnell, Christopher F. Richards, Mohamud Ramzan Daya, Cody C. Weathers, Robert (Bob) Lowe

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

Study objective: We estimate ambulance revenues lost from each hour spent on ambulance diversion at an urban teaching hospital's emergency department (ED) and examine the financial impact of increased ICU capacity, which reduced diversion hours by 63%. Methods: This was a secondary analysis of administrative data to determine the time and date of ambulance arrivals, as well as the insurance status and revenues from each ED patient arriving by ambulance between January 1, 2002, and December 31, 2003. The primary outcome measure was hourly revenues (ie, payments to the hospital) for ambulance patients. Results: Ten thousand three hundred one adult, non-trauma-system ED patients arrived by ambulance in 2002 and 2003, with average hospital revenues of $4,492. Each hour spent on diversion was associated with $1,086 (95% confidence interval $611 to $1,461) in forgone hospital revenues from ambulance patients. In August 2002, the study hospital increased its staffed ICU beds from 47 to 67, and diversion decreased from an average of 307 to 114 hours per month. In association with the reduction in diversion, the hospital received more patients by ambulance, which translated into approximately $175,000 in additional monthly revenues from ambulance patients. However, these gains were relatively small in relation to total ambulance revenues and to their large monthly variance. Conclusion: Ambulance patients generated substantial revenues for hospital services. Decreasing diversion time led to improved revenues. The potential for increased revenues may provide some incentive for hospitals to take greater efforts to reduce ambulance diversion.

Original languageEnglish (US)
Pages (from-to)702-710
Number of pages9
JournalAnnals of Emergency Medicine
Volume48
Issue number6
DOIs
StatePublished - Dec 2006

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Ambulance Diversion
Ambulances
Hospital Emergency Service
Insurance Coverage
Urban Hospitals
Hospital Departments
Teaching Hospitals

ASJC Scopus subject areas

  • Emergency Medicine

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Ambulance Diversion and Lost Hospital Revenues. / McConnell, Kenneth (John); Richards, Christopher F.; Daya, Mohamud Ramzan; Weathers, Cody C.; Lowe, Robert (Bob).

In: Annals of Emergency Medicine, Vol. 48, No. 6, 12.2006, p. 702-710.

Research output: Contribution to journalArticle

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