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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1996_Design_Report.jsp
January 01, 1996 - Discharge outcomes of interest include trends in inpatient treatments with respect to:
frequency … If an AHA community hospital could not be matched to the discharge data provided by the data source, … discharge data that agreed to provide such data to the project. … specific analyses (see the Technical Supplement: Comparative Analysis of HCUP and NHDS Inpatient Discharge … Calculating Variances Using Data from the HCUP Nationwide Inpatient Sample.
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hcup-us.ahrq.gov/db/nation/nis/severity_overview.jsp
September 01, 2025 - Reports & Publications
Data Visualizations
Data Query Tools
Home
About … severity adjustment measures to the HCUP Nationwide Inpatient Sample (NIS) and Kids’ Inpatient Database … With increased use of the Nationwide Inpatient Sample (NIS) and Kids’ Inpatient Database (KID) for various … An evaluation of existing severity measurement systems that are applicable to inpatient discharge data … All-payer severity-adjusted diagnosis-related groups: a uniform method to severity-adjust discharge data
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1999_Design_Report.jsp
January 01, 1999 - Discharge outcomes of interest include trends in inpatient treatments with respect to:
frequency … Two sources for all-payer discharge data were state agencies and private data organizations, primarily … If an AHA community hospital could not be matched to the discharge data provided by the data source, … discharge data that agreed to provide such data to the project. … Calculating Variances Using Data from the HCUP Nationwide Inpatient Sample.
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2000_Design_Report.jsp
January 01, 2000 - Discharge outcomes of interest include trends in inpatient treatments with respect to:
frequency … Two sources for all-payer discharge data were state agencies and private data organizations, primarily … sources that maintain statewide, all-payer discharge data files to include their data in the HCUP databases … If an AHA community hospital could not be matched to the discharge data provided by the data source, … discharge data that agreed to provide such data to the project.
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2004_Design_Report.jsp
January 01, 2004 - 2004 HCUP Nationwide Inpatient Sample (NIS) Design Report
HCUP Nationwide Inpatient Sample
Design … records from approximately 1,000 hospitals selected from HCUP State Inpatient Databases (SID) data. … records from approximately 1,000 hospitals selected from HCUP State Inpatient Databases (SID) data. … Discharge outcomes of interest include trends in inpatient treatment with respect to:
Frequency … If an AHA community hospital could not be matched to the discharge data provided by the data source,
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2003_Design_Report.jsp
January 01, 2003 - 2003 HCUP Nationwide Inpatient Sample (NIS) Design Report
HCUP Nationwide Inpatient Sample
Design … data from nearly 1,000 hospitals selected from HCUP State Inpatient Databases (SID) data. … data from nearly 1,000 hospitals selected from HCUP State Inpatient Databases (SID) data. … Discharge outcomes of interest include trends in inpatient treatments with respect to:
Frequency … If an AHA community hospital could not be matched to the discharge data provided by the data source,
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hcup-us.ahrq.gov/db/nation/nis/nistrends_filespecs.jsp
May 01, 2015 - 1993-2002 Nationwide Inpatient Sample (NIS) Supplemental Discharge-Level Files - File Specifications … Reports & Publications
Data Visualizations
Data Query Tools
Home
About … Reports Archive
DATA VISUALIZATIONS
DATA QUERY TOOLS … 1993-2002 Nationwide Inpatient Sample (NIS) Supplemental Discharge-Level Files - File Specifications … 1998
1999
2000
2001
2002
Internet Citation: 1993-2002 Nationwide Inpatient
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2005_Design_Report.jsp
January 01, 2005 - 2005 HCUP Nationwide Inpatient Sample (NIS) Design Report
HCUP Nationwide Inpatient Sample
Design … from approximately 1,000 hospitals selected from HCUP State Inpatient Databases (SID) data. … from approximately 1,000 hospitals selected from HCUP State Inpatient Databases (SID) data. … Discharge outcomes of interest include trends in inpatient treatment with respect to:
Frequency … If an AHA community hospital could not be matched to the discharge data provided by the data source,
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hcup-us.ahrq.gov/db/nation/nis/nistrends_loadprgms.jsp
May 01, 2015 - 1993-2002 Nationwide Inpatient Sample (NIS) Supplemental Discharge-Level Files - Load Programs … Reports & Publications
Data Visualizations
Data Query Tools
Home
About … Reports Archive
DATA VISUALIZATIONS
DATA QUERY TOOLS … 1993-2002 Nationwide Inpatient Sample (NIS) Supplemental Discharge-Level Files - Load Programs … 1999
2000
2001
2002
Internet Citation: 1993-2002 Nationwide Inpatient
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psnet.ahrq.gov/issue/improving-discharge-process-embedding-discharge-facilitator-resident-team
January 23, 2019 - Study
Improving the discharge process by embedding a discharge facilitator in a resident … Improving the discharge process by embedding a discharge facilitator in a resident team. … In this study, a nurse practitioner (NP) was assigned to a resident inpatient medical team at a tertiary … Citation
Related Resources From the Same Author(s)
Effect of increased inpatient … September 23, 2020
View More
Related Resources
Five hospitals release data
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hcup-us.ahrq.gov/db/nation/nis/nistrends.jsp
May 01, 2015 - 1993-2002 Nationwide Inpatient Sample (NIS) Supplemental Discharge-Level Files and 1993-2011 NIS Trend … The 1993-2002 Nationwide Inpatient Sample (NIS) Supplemental Discharge-Level Files facilitate analysis … The 1993-2002 NIS Supplemental Discharge-Level Files provide additional data elements that were added … New Trend Weights for 1993-2011 HCUP NIS Data
1993-2002 NIS Supplemental Discharge-Level Files … Internet Citation: 1993-2002 Nationwide Inpatient Sample (NIS) Supplemental Discharge-Level
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hcup-us.ahrq.gov/db/nation/kid/reports/Kid_filecomp_1997.pdf
January 01, 1997 - Inpatient discharge data was provided for hospitals that are a member of
GHA. … Inpatient discharge data was provided for hospitals that are a member of HHIC. … These data include inpatient discharge data from general acute care hospitals that are a member of the … These data include inpatient discharge data from Tennessee general
acute care and some specialty facilities … These data include inpatient discharge data from Utah general acute care
and some specialty facilities
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1992_1988_Design_Report.jsp
January 01, 1992 - Discharge outcomes of interest include trends in inpatient treatments with respect to:
frequency … If an AHA community hospital could not be matched to the discharge data provided by the data source, … discharge data that agreed to provide such data to the project. … or data from the National Hospital Discharge Survey. … These zero-weight hospitals were included in all following years if inpatient data were available.
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2020.jsp
January 01, 2020 - These inpatient data
include clinical and resource use information typically available from discharge … The NIS is sampled from the State Inpatient Databases
(SID) , which include all inpatient data that … NIS Data
The National Inpatient Sample (NIS) contains all-payer data on hospital inpatient stays … and outpatient data
ICD-10-PCS: procedure coding on inpatient data. … NIS Data Sources, Hospitals, and Inpatient Stays
The NIS is sampled from the State Inpatient Databases
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hcup-us.ahrq.gov/db/nation/kid/reports/KID_2000_File_Composition.pdf
January 01, 2000 - Which Hospitals
These data include inpatient discharge data from general acute care hospitals that … files were constructed from the Maine Health Data
Organization inpatient discharge files. … The New Jersey files consist of discharge abstract data
for all inpatient and same-day stays. … Which Hospitals
The Tennessee data include inpatient discharge data from general acute care and
some … Which Hospitals
The Utah data include inpatient discharge data from general acute care and some
specialty
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2021.jsp
January 01, 2021 - These inpatient data include clinical and resource use
information typically available from discharge … The NIS is sampled from the State Inpatient
Databases (SID) , which include all inpatient data … INTRODUCTION TO THE HCUP NATIONAL INPATIENT SAMPLE (NIS)
Overview of NIS Data
The National Inpatient … NIS Data
Sources, Hospitals, and Inpatient Stays
The NIS is sampled from the State Inpatient … Around 7 million inpatient records per year
Discharge-level weights to calculate national
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hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2012_IP.TXT
January 01, 2012 - Data Set Name: NEDS_2012_IP
Number of Observations: 4473479
Total Number of Data … year of data
11 - 19 File name
21 - 23 Data element number
25 - 43 Data element name … 45 Length of data element
48 Non-zero number of digits after decimal point for numeric data … element
50 - 53 Data element type (Num=numeric; Char=character)
55 - 154 Data element label … discharge record
NEDS 2012 IP 27 PR_IP8 4 Char Procedure 8 from inpatient discharge
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hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDSv2_2011_IP.TXT
January 01, 2011 - Data Set Name: NEDS_2011_IP
Number of Observations: 4307389
Total Number of Data … year of data
11 - 19 File name
21 - 23 Data element number
25 - 43 Data element name … 45 Length of data element
48 Non-zero number of digits after decimal point for numeric data … element
50 - 53 Data element type (Num=numeric; Char=character)
55 - 154 Data element label … discharge record
NEDS 2011 IP 27 PR_IP8 4 Char Procedure 8 from inpatient discharge
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hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2011_IP.TXT
January 01, 2011 - Data Set Name: NEDS_2011_IP
Number of Observations: 4307389
Total Number of Data … year of data
11 - 19 File name
21 - 23 Data element number
25 - 43 Data element name … data element
50 - 53 Data element type (Num=numeric; Char=character)
55 - 154 Data element … inpatient discharge record
NEDS 2011 IP 27 PR_IP8 4 Char Procedure 8 from inpatient … discharge record
NEDS 2011 IP 28 PR_IP9 4 Char Procedure 9 from inpatient discharge
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hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2008_IP.TXT
January 01, 2008 - Data Set Name: NEDS_2008_IP
Number of Observations: 4433719
Total Number of Data … year of data
11 - 19 File name
21 - 23 Data element number
25 - 43 Data element name … 45 Length of data element
48 Non-zero number of digits after decimal point for numeric data … element
50 - 53 Data element type (Num=numeric; Char=character)
55 - 154 Data element label … discharge record
NEDS 2008 IP 26 PR_IP6 4 Char Procedure 6 from inpatient discharge