Term: Elixhauser Comorbidity Index

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Glossary Definition

Last Updated: 2009-10-22


The Elixhauser Comorbidity Index is a method for measuring patient comorbidity based on ICD-9-CM and ICD-10 diagnosis codes found in administrative data. This instrument is meant to be used with large administrative data sets to predict hospital resource use and in-hospital mortality (Elixhauser et al., 1998).

For more information on the Elixhauser Comorbidity Index, please read the Elixhauser Comorbidity Index concept.

Related concepts 

Related terms 


  • Elixhauser A, Steiner C, Harris DR, Coffey RM. Comorbidity measures for use with administrative data. Med Care 1998;36:8-27. [Abstract] (View)

Term used in 

  • Garland A, Fransoo R, Olafson K, Ramsey C, Yogendran M, Chateau D, McGowan K. The Epidemiology and Outcomes of Critical Illness in Manitoba. Winnipeg, MB: Manitoba Centre for Health Policy, 2012. [Full Report] [Summary] (View)
  • Lix L, Smith M, Pitz M, Ahmed R, Quon H, Griffith J, Turner D, Hong S, Prior H, Banerjee A, Koseva I, Kulbaba C. Cancer Data Linkage in Manitoba: Expanding the Infrastructure for Research. Winnipeg, MB: Manitoba Centre for Health Policy, 2016. [Full Report] [Summary] (View)

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