- 
                                        
hcup-us.ahrq.gov/news/exhibit_booth/hcup_90_min_pres.jsp
December 01, 2022 - Includes multiyear inpatient and outpatient data based on hospital billing records. … All States that participate in HCUP provide us with inpatient data. … by State and data type (inpatient, emergency department, and ambulatory surgery & services combined) … Inpatient databases
							 
 Discharge abstracts for patients admitted for an inpatient stay … Databases (SID)
					 
 Inpatient discharge data (including those admissions that started in the ED
                                     
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hcup-us.ahrq.gov/reports/statbriefs/sb313-prevalence-burden-HAIs-2016-2021.pdf
January 01, 2021 - In 2015, 1 in 31 hospital 
inpatients had an HAI at any given time.2 HAIs include, but are not limited … Data Source 
This Statistical Brief uses data from the 2016 through 2021 HCUP State Inpatient Databases … the discharge disposition indicates that 
the patient died at the hospital. … • Denominator of inpatient stays with non-missing, valid discharge disposition with HAIs for the same … given 
year, MDC, and COVID-19 status with any hospital discharge status.
                                     
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hcup-us.ahrq.gov/db/state/siddist/siddist_filecompnv.jsp
August 01, 2006 - HCUP Supplemental Files 
 NIS-Trend Weights Files 
 NIS Hospital Ownership Files 
 NIS 1993-2002 Discharge-Level … SID File Composition - Nevada 
 
   
 
 SID Notes 
 Source Files 
 
		The HCUP Nevada inpatient files … were constructed from hospital discharge files received from the University of Nevada, Las Vegas (UNLV … Exclusion of Records During HCUP Data Processing 
 
			During HCUP processing, records with a discharge … disposition of "still a patient" and "admitted as an inpatient" were excluded from the HCUP Nevada inpatient
                                     
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hcup-us.ahrq.gov/db/vars/ndx/nisnote.jsp
September 01, 2008 - Reports & Publications 
 
 
 Data Visualizations 
 
 
 Data Query Tools 
 
 
 Home 
 
 
 About … NIS Description of Data Elements 
 
   
 
 
 
 NDX - Number of ICD-9-CM diagnoses on this discharge … A maximum of 15 diagnoses has been retained on a NIS inpatient record. … If an inpatient record from these states had more than 15 non-missing diagnoses, diagnoses in positions … of diagnoses available on the inpatient record, caution needs to be taken when using NDX to loop through
                                     
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hcup-us.ahrq.gov/reports/methods/ComorbiditySoftwareDocumentationFinal.pdf
September 30, 2004 - The second download program is the 
analysis program that assigns an indicator to each inpatient record … administrative data. … Analysis Program 
Creation of Comorbidity Variables 
The analysis program assigns to the inpatient records … • Input: SAS inpatient data (CORE) conforming to HCUP coding 
conventions (described above), and SAS … • Output: SAS data set (ANALYSIS) containing inpatient records with their 
comorbidity indicators
                                     
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hcup-us.ahrq.gov/db/vars/discwt/nassnote.jsp
August 01, 2019 - Reports & Publications 
 
 
 Data Visualizations 
 
 
 Data Query Tools 
 
 
 Home 
 
 
 About … Reports Archive 
 
 
 
 
 
 
 
 DATA VISUALIZATIONS 
 
 
 
 
 
 DATA QUERY TOOLS … weight on the HCUP nationwide databases - Nationwide Inpatient Sample (NIS), Nationwide Emergency Department … NEDS), Nationwide Readmissions Database (NRD), Nationwide Ambulatory Surgery Sample (NASS), and Kids' Inpatient … Prior to 1998, the discharge weight was named DISCWT_U.
                                     
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hcup-us.ahrq.gov/reports/statbriefs/sb7.pdf
May 01, 2006 - f all uninsured inpatients 
etween 18 and 44 years 
, compared with one-third 
privately insured and … Inpatient 
Sample (NIS). … Discharge status 
Discharge status indicates the disposition of the patient at discharge from the hospital … About the NIS 
 
The HCUP Nationwide Inpatient Sample (NIS) is a nationwide database of hospital inpatient … organizations—such as State data 
organizations, hospital associations, private data organizations,
                                     
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hcup-us.ahrq.gov/db/nation/nis/DataElements_NIS_2000_HOSPITAL.pdf
January 01, 2000 - of data elements 
across all states and years of HCUP data from 1988 to the current 
data year. … General Notes 
DISCWT and DISCWTcharge are discharge-level weights. … General Notes 
DISCWT and DISCWTcharge are discharge-level weights. … Elements 27
YEAR - Calendar year 
General Notes 
The discharge year (YEAR) is always coded. … In the 1988-1997 HCUP databases, 
YEAR is two-digits (e.g., if the discharge year is 1990, then YEAR
                                     
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompsc.jsp
March 01, 2007 - HCUP Supplemental Files 
 NIS-Trend Weights Files 
 NIS Hospital Ownership Files 
 NIS 1993-2002 Discharge-Level … The facility is not listed in the AHA database, but the facility provides inpatient discharge data to … The facility is not listed in the AHA database, but the facility provides inpatient discharge data to … Exclusion of Records During HCUP Processing 
 Beginning with 2016 data, records with a discharge disposition … Beginning in 2010, records with a designation of "admitted as an inpatient" are retained in the SASD,
                                     
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www.ahrq.gov/sites/default/files/wysiwyg/professionals/quality-patient-safety/patient-safety-resources/resources/advances-in-patient-safety/vol2/Gallagher2.pdf
January 01, 2016 - hospital discharge 
abstract data; the specific data elements required by the PSI algorithms are 
available … This 
study uses only data from a New York hospital discharge administrative database, 
which is capable … Methods 
Data source  
This is a descriptive study, based on New York’s 2001 inpatient discharge 
database … Because New York State inpatient discharge data contains unique 
patient identifiers, we were able to … Caton for her initial examination of New York State discharge 
data.
                                     
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hcup-us.ahrq.gov/reports/factsandfigures/2008/section5_TOC.jsp
January 01, 2008 - Reports & Publications 
 
 
 Data Visualizations 
 
 
 Data Query Tools 
 
 
 Home 
 
 
 About … HCUP Supplemental Files 
 NIS-Trend Weights Files 
 NIS Hospital Ownership Files 
 NIS 1993-2002 Discharge-Level … Reports Archive 
 
 
 
 
 
 
 
 DATA VISUALIZATIONS 
 
 
 
 
 
 DATA QUERY TOOLS … From 1997 to 2008, the MHSA discharge rate for adults 65 years and older has fallen appreciably—from … (All-listed diagnoses include all diagnoses listed on the discharge record.)
                                     
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompny.jsp
August 01, 2006 - elements such as primary expected payer (PAY1_X, PAY1) and discharge disposition (DISP_X, DISPUB04, … The facility is not listed in the AHA database, but the facility provides inpatient discharge data to … The facility is not listed in the AHA database, but the facility provides inpatient discharge data to … Exclusion of Records During HCUP Processing 
 Beginning with 2016 data, records with a discharge disposition … Beginning in 2010, records with a designation of "admitted as an inpatient" are retained in the SASD,
                                     
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecomput.jsp
August 01, 2006 - HCUP Supplemental Files 
 NIS-Trend Weights Files 
 NIS Hospital Ownership Files 
 NIS 1993-2002 Discharge-Level … The facility is not listed in the AHA database, but the facility provides inpatient discharge data to … The facility is not listed in the AHA database, but the facility provides inpatient discharge data to … Exclusion of Records During HCUP Processing 
 Beginning with 2016 data, records with a discharge disposition … Beginning in 2010, records with a designation of "admitted as an inpatient" are retained in the SASD,
                                     
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompks.jsp
October 01, 2018 - HCUP Supplemental Files 
 NIS-Trend Weights Files 
 NIS Hospital Ownership Files 
 NIS 1993-2002 Discharge-Level … The facility is not listed in the AHA database, but the facility provides inpatient discharge data to … The facility is not listed in the AHA database, but the facility provides inpatient discharge data to … Exclusion of Records During HCUP Processing 
 Beginning with 2016 data, records with a discharge disposition … Beginning in 2010, records with a designation of "admitted as an inpatient" are retained in the SASD,
                                     
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompfl.jsp
August 01, 2006 - HCUP Supplemental Files 
 NIS-Trend Weights Files 
 NIS Hospital Ownership Files 
 NIS 1993-2002 Discharge-Level … The facility is not listed in the AHA database, but the facility provides inpatient discharge data to … The facility is not listed in the AHA database, but the facility provides inpatient discharge data to … Exclusion of Records During HCUP Processing 
 Beginning with 2016 data, records with a discharge disposition … Beginning in 2010, records with a designation of "admitted as an inpatient" are retained in the SASD,
                                     
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hcup-us.ahrq.gov/reports/statbriefs/sb183-Hospitalizations-Multiple-Chronic-Conditions-Projections-2014.pdf
January 01, 2014 - Databases (SID), 2003–2012, and early State discharge data, 2013 
 
■ The percentage of nonmaternal … Databases (SID), 2003–2012, and early State discharge data, 2013 
 
■ Hospital stays for adults with … Databases (SID), 2003–2012, and early State discharge data, 2013 
 
■ The percentage of hospital stays … Databases (SID), 2003–2012, and early State discharge data, 2013 
 
■ Among hospital stays for adults … About the SID 
 
The HCUP State Inpatient Databases (SID) are hospital inpatient databases from data
                                     
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hcup-us.ahrq.gov/moa.pdf
March 28, 2022 - and contain 100 percent of inpatient discharge records for all or almost all 
hospitals in States participating … Kids’ Inpatient Database (KID) – The KID is a sample of pediatric inpatient discharge 
records (for … Organization agrees to supply to AHRQ the full range of discharge data required for 
participation … Data 
Ambulatory 
and Services 
Surgery Data 
Emergency 
Department 
Data 
EXAMPLE: 
Discharge … periodic data sets, 
the following data types: 
Data Type Beginning Data Year 
Inpatient Discharge
                                     
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hcup-us.ahrq.gov/news/exhibit_booth/HCUPOverviewDeck_121422.pdf
February 09, 2022 - Reception
Discharge 
Summary
Admit
Provide 
Care
Discharge
Patient
Record
Medical 
Coder
Bill … settings
► Inpatient databases
− Discharge abstracts for patients admitted for an inpatient stay … Databases 
(SID)
Inpatient discharge data (including those 
admissions that started in the ED) from … data
These tools apply to both inpatient and outpatient data
ICD-10-CM Diagnosis-Related 
HCUP … data
• ICD-9-CM
o Used in the United States prior to October 1, 2015
o Reported on inpatient data
                                     
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hcup-us.ahrq.gov/reports/statbriefs/sb213-Safety-Net-Hospitals-2014.pdf
January 01, 2014 - at non-SNHs (data not shown). … Databases 
This analysis used State Inpatient Databases (SID) limited to data from community hospitals … HCUP 
databases bring together the data collection efforts of State data organizations, hospital associations … About the SID  
 
The HCUP State Inpatient Databases (SID) are hospital inpatient databases from data … The SID contain the universe of the inpatient discharge abstracts in the 
participating HCUP States,
                                     
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hcup-us.ahrq.gov/db/state/siddist/siddist_filecompmd.jsp
August 01, 2006 - HCUP Supplemental Files 
 NIS-Trend Weights Files 
 NIS Hospital Ownership Files 
 NIS 1993-2002 Discharge-Level … SID File Composition - Maryland 
 
   
 
 SID Notes 
 Source Files 
 
		The HCUP Maryland inpatient … were supplied by HSCRC in the Uniform Hospital Discharge Abstract Data Set. … Exclusion of Records During HCUP Data Processing 
 
			Records with a discharge disposition of "still … a patient" and "admitted as an inpatient" were excluded from the HCUP Maryland inpatient data.