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hcup-us.ahrq.gov/toolssoftware/ccsr/DXCCSR-ChangeLog-v20212-v20221.xlsx
October 01, 2021 - DXCCSR-ChangeLog-v20212-v20221
Table_of_Contents
	This Excel file enumerates the changes between the following releases of the Clinical Classifications Software Refined (CCSR) for ICD-10-CM diagnoses 
	Compared versions: v2022.1 (released October 2021) to v2021.2 (released March 2021)
	Table of Contents
	Changes to th… 
                                     
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hcup-us.ahrq.gov/db/nation/nrd/stats/NRD_2013_MaskedStats_Severity.PDF
January 01, 2013 - please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
HCUP Summary Statistics Report:  NRD 2013 - Severity File
16:59 Wednesday, November 4, 2015 1
Means of Continuous Data Elements
please refer to the section on Description of Data Elements.
For mo… 
                                     
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hcup-us.ahrq.gov/db/nation/nrd/stats/NRD_2011_MaskedStats_V2_Severity.PDF
January 01, 2011 - please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
HCUP Summary Statistics Report:  NRD 2011 - Severity File 18:20 Tuesday, September 26, 2017 1
Means of Continuous Data Elements
please refer to the section on Description of Data Elements.
For mo… 
                                     
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hcup-us.ahrq.gov/db/nation/nrd/stats/NRD_2012_MaskedStats_Severity_V2.PDF
January 01, 2012 - please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
HCUP Summary Statistics Report:  NRD 2012 - Severity File 19:47 Tuesday, September 26, 2017 1
Means of Continuous Data Elements
please refer to the section on Description of Data Elements.
For mo… 
                                     
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hcup-us.ahrq.gov/db/nation/nrd/stats/NRD_2010_MaskedStats_Severity_V2.PDF
January 01, 2010 - please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
HCUP Summary Statistics Report:  NRD 2010 - Severity File 16:55 Tuesday, September 26, 2017 1
Means of Continuous Data Elements
please refer to the section on Description of Data Elements.
For mo… 
                                     
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2011_MaskedStats_Severity.PDF
January 01, 2011 - please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
HCUP Summary Statistics Report:  NIS 2011 - Severity File 18:55 Monday, May 20, 2013 1
Means of Continuous Data Elements
please refer to the section on Description of Data Elements.
For more infor… 
                                     
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hcup-us.ahrq.gov/datainnovations/ICD-10_DXCCS_Trends112817.pdf
November 28, 2017 - Recommended Citation: Moore BJ, McDermott KW, Elixhauser A. ICD-10-CM Diagnosis 
Coding in HCUP Data: Comparisons With ICD-9-CM and Precautions for Trend Analyses. 
ONLINE. November 28, 2017. U.S. Agency for Healthcare Research and Quality.  Available at 
https://www.hcup-us.ahrq.gov/datainnovations/icd10_resources.… 
                                     
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hcup-us.ahrq.gov/db/nation/nrd/stats/MaskedStats_NRD_2015Q1Q3_Severity.PDF
October 31, 2017 - please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
HCUP Summary Statistics Report:  NRD 2015 Q1-Q3 Severity File
07:12 Tuesday, October 31, 2017 1
Means of Continuous Data Elements
please refer to the section on Description of Data Elements.
For … 
                                     
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hcup-us.ahrq.gov/db/nation/nrd/stats/NRD_2014_MaskedStats_Severity.PDF
January 01, 2014 - please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
HCUP Summary Statistics Report:  NRD 2014 - Severity File
08:59 Friday, October 28, 2016 1
Means of Continuous Data Elements
please refer to the section on Description of Data Elements.
For more … 
                                     
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hcup-us.ahrq.gov/db/nation/kid/tools/stats/KID_2012_MaskedStats_Severity.PDF
January 01, 2012 - please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
HCUP Summary Statistics Report:  KID 2012 - Severity File
16:07 Wednesday, July 16, 2014 1
Means of Continuous Data Elements
please refer to the section on Description of Data Elements.
For more … 
                                     
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/MaskedStats_NIS_2015Q1Q3_Severity.PDF
November 08, 2017 - please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
HCUP Summary Statistics Report:  NIS 2015 Severity File, Q1-Q3
22:59 Wednesday, November 8, 2017 1
Means of Continuous Data Elements
please refer to the section on Description of Data Elements.
F… 
                                     
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2014_MaskedStats_Severity.PDF
January 01, 2014 - please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
HCUP Summary Statistics Report:  NIS 2014 - Severity File
22:06 Tuesday, October 4, 2016 1
Means of Continuous Data Elements
please refer to the section on Description of Data Elements.
For more … 
                                     
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2013_MaskedStats_Severity.PDF
January 01, 2013 - please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
HCUP Summary Statistics Report:  NIS 2013 - Severity File
16:09 Thursday, January 14, 2016 1
Means of Continuous Data Elements
please refer to the section on Description of Data Elements.
For mor… 
                                     
                                                                    - 
                                        
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2012_MaskedStats_Severity.PDF
January 01, 2012 - please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
HCUP Summary Statistics Report:  NIS 2012 - Severity File
16:50 Tuesday, May 20, 2014 1
Means of Continuous Data Elements
please refer to the section on Description of Data Elements.
For more inf… 
                                     
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hcup-us.ahrq.gov/reports/SOI.jsp
June 01, 2016 - A Severity-of-Illness Classificiation for Mental and Substance-Use Disorders for Use With Hospital Administrative Data 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 An official website of the Department of Health & Human Services 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 Search All AHR… 
                                     
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hcup-us.ahrq.gov/reports/ED_MHSA_SOIpaper.pdf
June 10, 2011 - A sample article title 
MAINTAIN AND EXPAND 
THE HEALTHCARE COST AND UTILIZATION PROJECT (HCUP) 
Contract No. HHSA-290-2006-00009-C 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
A SEVERITY-OF-ILLNESS CLASSIFICATION FOR MENTAL AND 
SUBSTANCE-USE DISORDERS FOR USE WITH HOSPITAL 
ADMINISTRATIVE DATA  
 
 
 
 
June 10, 2011 
 
… 
                                     
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hcup-us.ahrq.gov/toolssoftware/ccsr/DXCCSR-User-Guide-v2025-1.pdf
November 01, 2024 - The substance use 
category captures the underlying cause (e.g., opioids, alcohol, stimulants) and the
                                     
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hcup-us.ahrq.gov/reports/natstats/his95/appendc.pdf
February 11, 2011 - Appendix C
Appendix C
Expanded diagnosis categories1
Diagnosis category CCHPR code ICD-9-CM code
1 Infectious and parasitic diseases 1 2 3 4 5 6
7 8 9 10
-
  1.1 Bacterial infection 1 2 3 9 -
1.1.1 Tuberculosis 1 -
1.1.2 Septicemia (except in labor) 2 -
1.1.2.1 Streptococcal septicemia - 0380
1.1.2.2 Staphylo… 
                                     
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hcup-us.ahrq.gov/reports/statbriefs/sb232-Hepatitis-C-Hospital-Stays-Trends.pdf
June 19, 2017 - Characteristics of Inpatient Stays Involving Hepatitis C, 2005-2014
1 
 
 
 
 
  
 
December 2017 
 
Characteristics of Inpatient Stays  
Involving Hepatitis C, 2005–2014 
 
Quyen Ngo-Metzger, M.D., M.P.H., Iris Mabry-Hernandez, M.D., 
Kevin C. Heslin, Ph.D., Audrey J. Weiss, Ph.D.,  
Amanda Mummert, Ph.D., and Arle… 
                                     
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hcup-us.ahrq.gov/toolssoftware/ccsr/DXCCSR-User-Guide-v2019-1.pdf
September 01, 2019 - User Guide: Clinical Classifications Software Refined (CCSR)
USER GUIDE:  
CLINICAL CLASSIFICATIONS SOFTWARE REFINED 
(CCSR) 
VERSION 2019.1 
Issued September 2019 
Agency for Healthcare Research and Quality 
Healthcare Cost and Utilization Project (HCUP) 
Phone: (866) 290-HCUP (4287) 
Email: hcup@ahrq.gov 
Webs…