Term: Elixhauser Comorbidity Index

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Glossary Definition

Last Updated: 2009-10-22

Definition:

A measurement tool that defines 30 comorbid (i.e., co-existing) conditions using ICD-9-CM codes. This instrument is meant to be used with large administrative data sets (Elixhauser et al., 1998). The index has been updated for use with ICD-10 coding (Quan et al., 2005).

The link below to ICD-9-CM and ICD-10 Coding Algorithms for Elixhauser Comorbidities provides a table identifying the ICD-9-CM and ICD-10 codes used by Quan et al. (2005).

For more information on the Elixhauser Comorbidity Index, please read the corresponding sections of the Complications and Comorbidities concept.

Related concepts 

Related terms 

Links 

References 

  • Elixhauser A, Steiner C, Harris DR, Coffey RM. Comorbidity measures for use with administrative data. Med Care 1998;36:8-27. [Abstract] (View)
  • Quan H, Sundararajan V, Halfon P, Fong A, Burnand B, Luthi JC, Saunders LD, Beck CA, Feasby TE, Ghali WA. Coding algorithms for defining comorbidities in ICD-9-CM and ICD-10 administrative data. Med Care 2005;43(11):1130-1139. [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)


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