IDPH Health Statistics

Hospital Discharge Data
Public Data Files


Please note that all files (except the user guide) are compressed using WinZip to reduce download time and storage requirements. You will need compatible archive software to expand these files for use. Diagnosis related group (DRG) tables are provided as an analytical tool. For best results use the DRG table appropriate for the public data file time period. For public data files prior to 1993, use the 1993 - 1994 DRG table.

Public data files are organized by calendar year. As new data becomes available, they will be added. To download, right click on the desired file then select [save target as] and select the desired location on your local computer or network.

Public data files containing inpatient hospital discharges by calendar year
Public data file 2004
(PublicDataFileY04.zip: 30.1 MB / 1,709,878 records)
Public data file 2003
(PublicDataFileY03.zip: 29.1 MB / 1,677,125 records)
Public data file 2002
(PublicDataFileY02.zip: 29.0 MB / 1,685,051 records)
Public data file 2001
(PublicDataFileY01.zip: 28.9 MB / 1,684,089 records)
Public data file 2000
(PublicDataFileY00.zip: 27.9 MB / 1,636,046 records)
Public data file 1999
(PublicDataFileY99.zip: 26.9 MB / 1,581,086 records)
Public data file 1998
(PublicDataFileY98.zip: 26.3 MB / 1,552,865 records)
Public data file 1997
(PublicDataFileY97.zip: 26.0 MB / 1,537,027 records)
Public data file 1996
(PublicDataFileY96.zip: 26.2 MB / 1,551,898 records)
Public data file 1995
(PublicDataFileY95.zip: 26.3 MB / 1,567,402 records)
Public data file 1994
(PublicDataFileY94.zip: 26.2 MB / 1,568,084 records)
Public data file 1993
(PublicDataFileY93.zip: 26.4 MB / 1,590,268 records)
Public data file 1992
(PublicDataFileY92.zip: 26.3 MB / 1,593,247 records)
Public data file 1991
(PublicDataFileY91.zip: 26.7 MB / 1,610,348 records)
Public data file 1990
(PublicDataFileY90.zip: 26.4 MB / 1,601,567 records)
Public data file 1989
(PublicDataFileY89.zip: 25.6 MB / 1,563,624 records)
Public data file 1988
(PublicDataFileY88.zip: 24.9 MB / 1,515,025 records)
Public data file 1987
(PublicDataFileY87.zip: 23.8 MB / 1,440,311 records)


Public Data File User Guide
pdf Public data file user guide/record layout
(PDF-Guide.pdf: 78 KB / 16 pages)


Public data file DRG descriptions
Public data file DRG descriptions (Oct 2004 - Sep 2005)
(Q_DRG044.zip: 41 KB / 543 records)
Public data file DRG descriptions (Oct 2003 - Sep 2004)
(Q_DRG034.zip: 41 KB / 540 records)
Public data file DRG descriptions (Oct 2002 - Sep 2003)
(Q_DRG024.zip: 41 KB / 527 records)
Public data file DRG descriptions (Oct 2001 - Sep 2002)
(Q_DRG014.zip: 40 KB / 523 records)
Public data file DRG descriptions (Oct 2000 - Sep 2001)
(Q_DRG004.zip: 38 KB / 511 records)
Public data file DRG descriptions (Oct 1999 - Sep 2000)
(Q_DRG994.zip: 38 KB / 511 records)
Public data file DRG descriptions (Oct 1998 - Sep 1999)
(Q_DRG984.zip: 38 KB / 511 records)
Public data file DRG descriptions (Oct 1997 - Sep 1998)
(Q_DRG974.zip: 38 KB / 503 records)
Public data file DRG descriptions (Oct 1996 - Sep 1997)
(Q_DRG964.zip: 38 KB / 495 records)
Public data file DRG descriptions (Oct 1995 - Sep 1996)
(Q_DRG954.zip: 37 KB / 495 records)
Public data file DRG descriptions (Oct 1994 - Sep 1995)
(Q_DRG944.zip: 39 KB / 495 records)
Public data file DRG descriptions (Oct 1993 - Sep 1994)
(Q_DRG934.zip: 39 KB / 494 records)


Public data file DRG tables
All DRG tables in one archived file
(drg-tbls.zip: 461 KB / 12 files)


Public data file lookup tables
All lookup tables in one archived file
(lookup.zip: 9 KB / 7 files)


Value description tables included in the archive:
  Admission Type Descriptions
  Admission Source Descriptions
  Age Group Descriptions
  Clinical Categories (Diagnoses)
  Clinical Categories (Surgical)
  Patient Status Descriptions
  Payer Type Descriptions



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Illinois Department of Public Health
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Springfield, Illinois 62761
Phone 217-782-4977
Fax 217-782-3987
TTY 800-547-0466
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