This site presents hospitalizations by selected diagnosis for Michigan residents hospitalized in all short-stay hospitals (including Veterans Administration hospitals, but excluding military hospitals) in Michigan, Ohio, Indiana and Wisconsin. These hospitalizations are from the Michigan Resident Inpatient files, 2002-2020, which accounted for approximately 1.3 to 1.07 million hospitalizations annually with about an average length of stay of 4.7 days (see Table 1, below). Hospitalizations are inpatient hospital stays as measured by stays that were completed during the specified year. The number of hospitalizations is often greater than the number of persons hospitalized since some persons are hospitalized more than once during the year.
|Year||Hospitalizations by Year of Discharge||Average Length
of Stay (days)
|Total||Male||Female||65 & Over|
The principal diagnosis for each hospitalization was coded according to the International Classification of Diseases, 9th Revision, Clinical Modification (ICD-9-CM) for hospitalizations prior to October 1, 2015 and ICD-10-CM for hospitalizations from October 1, 2015 to December 2016. Annually, there were more than 6,500 different principal diagnoses recorded for Michigan patients. These detailed diagnoses were grouped into 42 diagnostic conditions which accounted for 79.3 percent of all hospitalizations. These conditions are selected for tabulations because of stated interest from staff in the public health field, are presented in the National Hospital Discharge Survey summaries, or are among the most frequent hospitalizations. They are grouped and coded to be comparable with those published in the National Hospital Discharge Survey: Annual Summary by the National Center for Health Statistics, U.S. Department of Health and Human Services.
To request hospitalizations by diagnosis data that are not available from this web site, please call (517) 335-8587 or FAX your requests to (517) 335-8711. Requests can also be E-mailed to LeT@Michigan.gov.
Written requests should be sent to:
Thu Le, Senior Statistician
Division for Vital Records and Health Statistics
Michigan Department of Health and Human Services
333 S. Grand Ave.
Lansing MI, 48933
Last Updated: 4/27/2022