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Data Description
Data Dictionary
Query Form

Data Description
Data Dictionary
Query Form

Data Description
Data Dictionary
Query Form

Data Description
Data Dictionary
Query Form

Illinois Department of Public Health EMS Reporting System - IL Hospital Discharge Data Dictionary


Data Element Categories Description Comments
Age 0
1 - 4
5 - 9
10 - 14
15 - 19
20 - 24
25 - 34
35 - 44
45 - 54
55 - 64
65 - 74
75 +
Unknown1
Age in years, based on the date of discharge from the hospital Age values are for the most part provided in five or 10-year intervals.
Age values over 110 are set to "Unknown."
Gender Female
Male
Unknown1
   
Cause of Hospitalization Appendicitis
Asthma
Cancer
Child Abuse and Maltreatment
Cholelithiasis
Chronic Liver Disease/Cirrhosis
Delivery2
Diabetes
Dorsopathies
Enteritis - Non-Infectious
Heart Disease
Hypertension - Uncontrolled
Infection - Acute Respiratory
Infection - Intestinal
Infection - Septicemia
Infection/Parasitic - Other
Injury
Mental Disorders
Newborn2
Pneumonia/Influenza3
Poisoning
Rehabilitation2
Rheumatic Fever
Sickle Cell Anemia
Stroke
Urinary Disease - Nephritis, etc.
Urinary Disease - Other
All Other Diagnoses
Unknown1
540-543
493
140-208;235-239
995.5,V61.21
574
571
MS-DRG 765-768,774-7752
250
720-724
555-558
393-398;402;404-429
401, 403, 437.2
460-466
001-009
038
010-139 (exclude 038)
800-959
290-319
MS-DRG 789-7952
480-4883
960-989
MS-DRG 945-9462
390-392
282.6
430-438
580-589
590-599
Diagnosis Grouping is for the most part based on ICD-9 codes for the principal diagnosis associated with the hospitalization. If the principal diagnosis value was missing from a record the next available diagnosis field was used. In addition, three of the diagnostic categories created are based on MS DRG codes2.
Length of Stay (in days) 1 - 6
7 - 13
14 - 29
30 and more
Unknown1
The number of days a patient was hospitalized.
Identifies the length of time that patients were hospitalized, including outlier cases in which the degree of severity of the condition within the respective Diagnosis Related Group (DRG) required stays below or beyond the average length of stay.
Hospital Charges $ 1.00-3,499.99
$ 3,500.00-6,499.99
$ 6,500.00-11,999.99
$ 12,000.00-35,999.99
$ 36,000.00-99,999.99
$ 100,000.00 or more
Unknown1
Identifies the hospital charges incurred during hospitalization. Due to managed care contracting, payor discount arrangements, Medicare and Medicaid payment plans, and other agreements, charges reflect hospital billing only, not necessarily actual consumer payment.

In addition, some services or items provided in the hospital may not be reflected in each hospital's charges due to contractual arrangements or limitations with other clinical providers, e.g., anesthesia, diagnostic testing, professional clinical services, etc.
Payor Commercial Insurance/HMO
Medicare
Medicaid
Self Pay
Other
Unknown1
Indicates the primary source of expected payment for the hospital charges.
 
Time Period 1994-Q1
1994-Q2
1994-Q3
1994-Q4
through
2011-Q4
Quarterly time frames based on the date of discharge from the hospital.  
County of Residence All 102 Illinois counties from ADAMS to WOODFORD
Out of Illinois
Unknown1
County of patient residence at the time of hospitalization.  
Notes:
1 The category of "Unknown" represents all values that were invalid entries, values recorded as "unknown,"
or when no values were entered for the field.
2 The Center for Medicare & Medicaid Services moved away from diagnosis-related groups (DRGs) to Medicare Severity DRGs (MS-DRGs) effective October 1, 2007. Previously, DRG codes for Delivery were 370-375, for Newborns 385-391, and for Rehabilitation 462.
3As of October 1, 2009, a new ICD-9 code category was added to the Influenza code ('487'). The new code ('488') identifies the influenza virus when known (such as Avian influenza virus and H1N1). This query system has been updated to reflect this change where Cause of Hospitalization="Pneumonia/Influenza" .

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