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hcup-us.ahrq.gov/datainnovations/clinicaldata/lvtt.jsp
February 01, 2025 - Enhancing the Clinical Content of Administrative Data - Laboratory Data Toolkit: Training Tools
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hcup-us.ahrq.gov/db/state/siddist/siddist_filecompmo.jsp
June 01, 2024 - SID File Composition - Missouri
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hcup-us.ahrq.gov/datainnovations/clinicalcontentenhancementtoolkit/mn22.jsp
September 01, 2014 - Matching Patients across Institutions without Definitive Patient Identifiers
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1998_Design_Report.pdf
January 01, 1998 - DESIGN OF THE HCUP NATIONWIDE INPATIENT SAMPLE, 1998
October 1, 2001
Table of Contents
INTRODUCTION .......................................................................................................................................... 1
THE NIS HOSP…
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1999_Design_Report.pdf
January 01, 1999 - Microsoft Word - NIS_1999_Design_Report.doc
DESIGN OF THE HCUP NATIONWIDE INPATIENT SAMPLE, 1999
October 31, 2001
Table of Contents
INTRODUCTION ............................................................................................…
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hcup-us.ahrq.gov/reports/methods/2009_01.pdf
January 01, 2009 - The AHRQ QIs are measures of quality associated with processes of care that
occurred in an outpatient … We take this approach because we
view the outcomes as a result of myriad processes that go into treatment … decisions rather than
being the result of specific, fixed processes generating outcomes for a specific … Heart Failure
The AHRQ Prevention Quality Indicators (PQIs) are measures of quality associated with
processes
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/FILESPC4_1995.PDF
January 01, 1995 - NATIONWIDE INPATIENT SAMPLE
NIS 1995 FILE SPECIFICATIONS AND RECORD LAYOUTS
HCUP-3 FILE SPECIFICATIONS
NATIONWIDE INPATIENT SAMPLE (NIS), RELEASE 4, 1995
Year
Links to
Record Layouts Description Data Set Name
Number of
Records
Record
Length
Number of
Bytes
1995
2 Full NIS, Inpatient Stay Core File A NIS95_A.ASC …
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/FILESPC5_1996.PDF
January 01, 1996 - File Specifications NIS, Release 51
NATIONWIDE INPATIENT SAMPLE
NIS 1996 FILE SPECIFICATIONS AND RECORD LAYOUTS
HCUP-3 FILE SPECIFICATIONS
NATIONWIDE INPATIENT SAMPLE (NIS), Release 5, 1996
Year Layouts Description Data Set Name Records Length Bytes
Links to Record Number of Record Number of
1996
2 Full NIS, Inpat…
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/FILESPC3_1994.PDF
January 01, 1994 - NATIONWIDE INPATIENT SAMPLE
NIS 1994 FILE SPECIFICATIONS AND RECORD LAYOUTS
HCUP-3 FILE SPECIFICATIONS
NATIONWIDE INPATIENT SAMPLE (NIS), RELEASE 3, 1994
Year
Links to
Record Layouts Description Data Set Name
Number of
Records
Record
Length
Number of
Bytes
1994
2 Full NIS, Inpatient Stay Core File A NIS94_A.ASC …
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/FILESPC2_1993.PDF
January 01, 1993 - NATIONWIDE INPATIENT SAMPLE
NIS 1993 FILE SPECIFICATIONS AND RECORD LAYOUTS
HCUP-3 FILE SPECIFICATIONS
NATIONWIDE INPATIENT SAMPLE (NIS), RELEASE 2, 1993
Year
Page Numbers:
Record Layouts Description Data Set Name
Number of
Records
Record
Length
Number of
Bytes
1993
2 Full NIS, Inpatient Stay Core File A NIS93_A…
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hcup-us.ahrq.gov/db/state/sedddist/sedddist_filecompmi.jsp
April 01, 2025 - SEDD File Composition - Michigan
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hcup-us.ahrq.gov/db/state/siddist/siddist_filecompak.jsp
June 01, 2024 - SID File Composition - Alaska
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hcup-us.ahrq.gov/datainnovations/clinicaldata/AppendixEAHRQProjectDetails.jsp
October 05, 2010 - subject matter experts from the project team and from participating hospitals to clarify data structures, processes
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hcup-us.ahrq.gov/datainnovations/clinicalcontentenhancementtoolkit/hi6.jsp
July 07, 2016 - HL7 Implementation Guide.
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1996_Design_Report.jsp
January 01, 1996 - HCUP Nationwide Inpatient Sample Design Report 1996
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hcup-us.ahrq.gov/datainnovations/raceethnicitytoolkit/nm7.jsp
July 01, 2016 - Adapting a National Curriculum to Better Collect Race and Ethnicity Data in New Mexico Hospitals
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hcup-us.ahrq.gov/db/state/sedddist/sedddist_filecompia.jsp
June 01, 2007 - SEDD File Composition - Iowa
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hcup-us.ahrq.gov/pdf/HCUP-State-Data-Re-use-Application-Kit.pdf
May 31, 2025 - Application Kit to Submit a Data Re-use Request
Application Kit to Submit a Data Re-use Request
For Previously Purchased HCUP State Databases
August 20, 2023
This application kit is specific to submitting a data re-use request for the HCUP State
Databases that were previously purchased through the HCUP Central…
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hcup-us.ahrq.gov/db/vars/mdc24/nisnote.jsp
September 01, 2008 - Healthcare Cost and Utilization Project (HCUP) NIS Notes
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hcup-us.ahrq.gov/db/vars/mdc/nrdnote.jsp
August 01, 2015 - Healthcare Cost and Utilization Project (HCUP) NRD Notes
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