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hcup-us.ahrq.gov/nedsoverview.jsp
July 01, 2025 - research on a variety of topics, including:
Use of and charges for ED services
Medical treatment effectiveness
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hcup-us.ahrq.gov/db/nation/nis/DataElements_NIS_2002_Severity.pdf
January 01, 2002 - Description of Data Elements
Description of Data Elements
Nationwide Inpatient Sample (NIS)
Disease Severity Measure File
This document contains cumulative descriptions of data elements
across all states and years of HCUP data from 1988 to the current
data year. Please refer to the I…
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hcup-us.ahrq.gov/db/nation/nis/DataElements_NIS_2003_SEVERITY.pdf
January 01, 2003 - Healthcare Cost and Utilization Project (HCUP) NIS Description of Data Elements - Severity Notes
Description of Data Elements
Nationwide Inpatient Sample (NIS)
Disease Severity Measure File
Severity measures are not available for every state. Please check the
“State Specific Notes” section …
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hcup-us.ahrq.gov/db/nation/nis/DataElements_NIS_2004_Severity.pdf
January 01, 2004 - Healthcare Cost and Utilization Project (HCUP) NIS Description of Data Elements - Severity Notes
Description of Data Elements
Nationwide Inpatient Sample (NIS)
Disease Severity Measure File
Prior to 2004, severity measures are not available for every state. Please
check the "State Specif…
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hcup-us.ahrq.gov/toolssoftware/chronic_icd10/CCIR-ChangeLog-v20231-v20241.xlsx
December 01, 2023 - CCIR Change Log v20231-v20241
Table_of_Contents
This Excel file enumerates the changes between the following releases of the Chronic Condition Indicator Refined (CCIR) for ICD-10-CM
Compared versions: v2024.1 (released December 2023) to v2023.1 (released October 2022)
Table of Contents
Changes to the mapping of I…
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hcup-us.ahrq.gov/reports/statbriefs/sb164.pdf
October 01, 2013 - Characteristics of Adverse Drug Events Originating During the Hospital Stay, 2011
1
October 2013
Characteristics of Adverse Drug Events
Originating During the Hospital Stay, 2011
Audrey J. Weiss, Ph.D. and Anne Elixhauser, Ph.D.
Introduction
An adverse drug event (ADE) involves patient in…
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hcup-us.ahrq.gov/toolssoftware/comorbidity/comorbidity.jsp
June 01, 2017 - Elixhauser Comorbidity Software, Version 3.7
An official website of the Department of Health & Human Services
Search All AHRQ Websites
Careers
Contact Us
Espanol
FAQs
Email …
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hcup-us.ahrq.gov/reports/statbriefs/sb256-Opioids-Endocarditis-Inpatient-Stays-2016.pdf
January 01, 2016 - Hospital Inpatient Stays Related to Opioid Use Disorder and Endocarditis, 2016
1
April 2020
Hospital Inpatient Stays Related to Opioid
Use Disorder and Endocarditis, 2016
Audrey J. Weiss, Ph.D., Kevin C. Heslin, Ph.D.,
Carol Stocks, Ph.D., and Pamela L. Owens, Ph.D.
Introduction
Declare…
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hcup-us.ahrq.gov/reports/methods/2014-01.pdf
January 01, 2014 - regardless of sex, race/ethnicity, or socioeconomic status.1 Data on injuries are essential to
evaluate the effectiveness
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2012_Redesign_report.jsp
January 01, 2012 - HCUP Nationwide Inpatient Sample Redesign Final Report
An official website of the Department of Health & Human Services
Search All AHRQ Websites
Careers
Contact Us
Espanol
FAQs
…
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hcup-us.ahrq.gov/reports/methods/2015-03.pdf
January 01, 2015 - regardless of sex, race/ethnicity, or socioeconomic status.1 Data on injuries are essential to
evaluate the effectiveness
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hcup-us.ahrq.gov/db/vars/i10_serviceline/nrdnote.jsp
August 10, 2015 - Healthcare Cost and Utilization Project (HCUP) NRD Notes
An official website of the Department of Health & Human Services
Search All AHRQ Websites
Careers
Contact Us
Espanol
FAQs…
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hcup-us.ahrq.gov/db/vars/i10_serviceline/nisnote.jsp
September 10, 2008 - Healthcare Cost and Utilization Project (HCUP) NIS Notes
An official website of the Department of Health & Human Services
Search All AHRQ Websites
Careers
Contact Us
Espanol
FAQs…
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hcup-us.ahrq.gov/db/vars/i10_serviceline/kidnote.jsp
September 10, 2008 - Healthcare Cost and Utilization Project (HCUP) KID Notes
An official website of the Department of Health & Human Services
Search All AHRQ Websites
Careers
Contact Us
Espanol
FAQs…
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hcup-us.ahrq.gov/reports/statbriefs/sb267-Hurricanes-Injuries-ED-Visits-2005-2016.pdf
January 01, 2016 - Impact of Hurricanes on Injury-Related Emergency Department Visits, 2005-2016
1
STATISTICAL BRIEF #267
November 2020
Audrey J. Weiss, Ph.D., Marguerite L. Barrett, M.S., and
William J. Freeman, Dr.PH., M.P.H.
Introduction
Severe hurricanes strike portions of the United States nearly
ev…
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hcup-us.ahrq.gov/reports/methods/TrendReport2005_1.pdf
March 19, 2004 - HCUP_methods_series_cover.ai
HCUP Methods Series
kbr33831
Contact Information:
Healthcare Cost and Utilization Project (HCUP)
Agency for Healthcare Research and Quality
540 Gaither Road
Rockville, MD 20850
http://www.hcup-us.ahrq.gov
For Technical Assistance with HCUP Products:
Email: hcu…
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hcup-us.ahrq.gov/toolssoftware/ccsr/DXCCSR-User-Guide-v2025-1.pdf
November 01, 2024 - User Guide (v2025.1) for Clinical Classifications Software Refined (CCSR) for ICD-10-CM
USER GUIDE:
CLINICAL CLASSIFICATIONS SOFTWARE REFINED
(CCSR) FOR ICD-10-CM DIAGNOSES, v2025.1
Issued November 2024
Agency for Healthcare Research and Quality
Healthcare Cost and Utilization Project (HCUP)
Phone: (866) 2…
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hcup-us.ahrq.gov/datainnovations/clinicalcontentenhancementtoolkit/mn22.jsp
September 01, 2014 - 30 day readmissions and deaths for discharges between MN hospitals to:
Determine the clinical effectiveness
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hcup-us.ahrq.gov/datainnovations/clinicaldata/SampleVHIandhospitalcontractforAHRQstudy.pdf
September 30, 2007 - Associate will
provide Provider with information regarding the nature of such safeguards and the
effectiveness
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hcup-us.ahrq.gov/db/nation/nis/reports/NISRedesignFinalReport040914.pdf
June 11, 2014 - Recommended Citation: Houchens RL, Ross DN, Elixhauser A, and Jiang J. Nationwide
Inpatient Sample Redesign Final Report. 2014. HCUP NIS Related Reports ONLINE. April 4
2014. U.S. Agency for Healthcare Research and Quality. Available: http://www.hcup-
us.ahrq.gov/db/nation/nis/nisrelatedreports.jsp.
NATIONWIDE INPA…