-
hcup-us.ahrq.gov/reports/factsandfigures/2009/intro.jsp
January 01, 2009 - Elixhauser Comorbidity Software Refined for ICD-10-CM
Chronic Condition Indicator Refined for ICD-10-CM
Procedure … Elixhauser Comorbidity Software for ICD-9-CM
Utilization Flags for Revenue Center Codes and ICD-9-CM
Procedure … Summary Trend Tables
Findings-At-A-Glance
Publications
Information About Using HCUP Data
Methods … PROCEDURES
4. COSTS
5. … WOMEN'S HEALTH
SOURCES/METHODS
DEFINITIONS
FOR MORE INFO
ACKNOWLEDGMENTS
CITATION
FACTS &
-
hcup-us.ahrq.gov/reports/factsandfigures/2007/exhibit5_8.jsp
January 01, 2007 - Elixhauser Comorbidity Software Refined for ICD-10-CM
Chronic Condition Indicator Refined for ICD-10-CM
Procedure … Elixhauser Comorbidity Software for ICD-9-CM
Utilization Flags for Revenue Center Codes and ICD-9-CM
Procedure … Summary Trend Tables
Findings-At-A-Glance
Publications
Information About Using HCUP Data
Methods … PROCEDURES
4. COSTS
5. … PAYERS
SOURCES/METHODS
DEFINITIONS
FOR MORE INFO
ACKNOWLEDGMENTS
CITATION
FACTS & FIGURES
-
hcup-us.ahrq.gov/datavisualizations.jsp
February 01, 2025 - Elixhauser Comorbidity Software Refined for ICD-10-CM
Chronic Condition Indicator Refined for ICD-10-CM
Procedure … Classes Refined for ICD-10-PCS
Tools for CPT and HCPCS Level II
CCS for Services and Procedures … Surgery Flags for Services and Procedures
Tools for ICD-9-CM
Clinical Classifications Software ( … Elixhauser Comorbidity Software for ICD-9-CM
Utilization Flags for Revenue Center Codes and ICD-9-CM
Procedure … Summary Trend Tables
Findings-At-A-Glance
Publications
Information About Using HCUP Data
Methods
-
hcup-us.ahrq.gov/db/nation/nrd/nrdarchive.jsp
December 01, 2024 - Elixhauser Comorbidity Software Refined for ICD-10-CM
Chronic Condition Indicator Refined for ICD-10-CM
Procedure … Classes Refined for ICD-10-PCS
Tools for CPT and HCPCS Level II
CCS for Services and Procedures … Surgery Flags for Services and Procedures
Tools for ICD-9-CM
Clinical Classifications Software ( … Elixhauser Comorbidity Software for ICD-9-CM
Utilization Flags for Revenue Center Codes and ICD-9-CM
Procedure … Summary Trend Tables
Findings-At-A-Glance
Publications
Information About Using HCUP Data
Methods
-
hcup-us.ahrq.gov/db/state/sasddist/sasddist_ddeavailbyyear.jsp
June 01, 2025 - Elixhauser Comorbidity Software Refined for ICD-10-CM
Chronic Condition Indicator Refined for ICD-10-CM
Procedure … Classes Refined for ICD-10-PCS
Tools for CPT and HCPCS Level II
CCS for Services and Procedures … Surgery Flags for Services and Procedures
Tools for ICD-9-CM
Clinical Classifications Software ( … Elixhauser Comorbidity Software for ICD-9-CM
Utilization Flags for Revenue Center Codes and ICD-9-CM
Procedure … Summary Trend Tables
Findings-At-A-Glance
Publications
Information About Using HCUP Data
Methods
-
hcup-us.ahrq.gov/db/state/siddist/siddist_ddeavailbyyear.jsp
August 01, 2025 - Elixhauser Comorbidity Software Refined for ICD-10-CM
Chronic Condition Indicator Refined for ICD-10-CM
Procedure … Classes Refined for ICD-10-PCS
Tools for CPT and HCPCS Level II
CCS for Services and Procedures … Surgery Flags for Services and Procedures
Tools for ICD-9-CM
Clinical Classifications Software ( … Elixhauser Comorbidity Software for ICD-9-CM
Utilization Flags for Revenue Center Codes and ICD-9-CM
Procedure … Summary Trend Tables
Findings-At-A-Glance
Publications
Information About Using HCUP Data
Methods
-
hcup-us.ahrq.gov/reports/methods/MS-2021-04-Appendix.xlsx
January 01, 2021 - Appendix A Data Tables
Title Page
26-Aug-15
HCUP METHODS SERIES REPORT 2021-04 … DATABASES
(UPDATED WITH 2020 POPULATION DATA)
APPENDIX A: DATA TABLES
Table of Contents
HCUP Method
-
hcup-us.ahrq.gov/db/nation/nass/2018_NASS_Introduction.pdf
January 01, 2018 - Number of Procedures by In-Scope Clinical Classifications Software (CCS) for
Services and Procedure … (CCS-Services and Procedures) is
HCUP software that provides a method for classifying CPT codes and … the compressed, encrypted data-related files using the same password
and third-party zip utility method … The choice of an appropriate method for calculating
variances for nationwide estimates depends on the … https://www.hcup-us.ahrq.gov/reports/methods/2003_02.pdf
https://www.hcup-us.ahrq.gov/reports/methods
-
hcup-us.ahrq.gov/db/nation/nrd/nrddde.jsp
May 01, 2024 - Classes Refined for ICD-10-PCS
Tools for CPT and HCPCS Level II
CCS for Services and Procedures … Surgery Flags for Services and Procedures
Tools for ICD-9-CM
Clinical Classifications Software ( … Summary Trend Tables
Findings-At-A-Glance
Publications
Information About Using HCUP Data
Methods … review frequencies for all data elements planned for use in their analysis and to consider analytic methods … The HCUP Methods Series Report #2015-01 (PDF file, 871 KB) provides guidance on alternative approaches
-
hcup-us.ahrq.gov/db/nation/nass/2019_NASS_Introduction.pdf
January 01, 2019 - (CCS-Services and Procedures) is
HCUP software that provides a method for classifying CPT codes and … the compressed, encrypted data-related files using the same password
and third-party zip utility method … Encounter Predictive Model
Creation of the major ambulatory surgery encounter universe requires a method … The choice of an appropriate method for calculating
variances for nationwide estimates depends on the … https://www.hcup-us.ahrq.gov/reports/methods/2003_02.pdf
https://www.hcup-us.ahrq.gov/reports/methods
-
hcup-us.ahrq.gov/reports/statbriefs/sb241-Coronary-Artery-AMI-Stroke-Hospital-Stays-2001-2014.pdf
January 01, 2014 - All-listed procedures include all procedures performed during the hospital stay, whether for definitive … The first-listed procedure is the procedure that is
listed first on the discharge record. … Inpatient data define this as the principal procedure—the procedure
that is performed for definitive … HCUP Methods Series
Report #2017-03. July 13, 2017. U.S. … http://www.hcup-us.ahrq.gov/reports/methods/2017-03.pdf
http://www.hcup-us.ahrq.gov/reports/methods/2017
-
hcup-us.ahrq.gov/reports/factsandfigures/2007/exhibit5_4.jsp
January 01, 2007 - Elixhauser Comorbidity Software Refined for ICD-10-CM
Chronic Condition Indicator Refined for ICD-10-CM
Procedure … Elixhauser Comorbidity Software for ICD-9-CM
Utilization Flags for Revenue Center Codes and ICD-9-CM
Procedure … Summary Trend Tables
Findings-At-A-Glance
Publications
Information About Using HCUP Data
Methods … PROCEDURES
4. COSTS
5. … PAYERS
SOURCES/METHODS
DEFINITIONS
FOR MORE INFO
ACKNOWLEDGMENTS
CITATION
FACTS & FIGURES
-
hcup-us.ahrq.gov/reports/factsandfigures/2008/exhibit1_6.jsp
January 01, 2008 - Elixhauser Comorbidity Software Refined for ICD-10-CM
Chronic Condition Indicator Refined for ICD-10-CM
Procedure … Elixhauser Comorbidity Software for ICD-9-CM
Utilization Flags for Revenue Center Codes and ICD-9-CM
Procedure … Summary Trend Tables
Findings-At-A-Glance
Publications
Information About Using HCUP Data
Methods … PROCEDURES
4. COSTS
5. … MHSA
SOURCES/METHODS
DEFINITIONS
FOR MORE INFO
ACKNOWLEDGMENTS
CITATION
FACTS & FIGURES 2008
-
hcup-us.ahrq.gov/datainnovations/raceethnicitytoolkit/or32.jsp
October 08, 2012 - Elixhauser Comorbidity Software Refined for ICD-10-CM
Chronic Condition Indicator Refined for ICD-10-CM
Procedure … Classes Refined for ICD-10-PCS
Tools for CPT and HCPCS Level II
CCS for Services and Procedures … Surgery Flags for Services and Procedures
Tools for ICD-9-CM
Clinical Classifications Software ( … Elixhauser Comorbidity Software for ICD-9-CM
Utilization Flags for Revenue Center Codes and ICD-9-CM
Procedure … 2.6%
2.0%
Preterm (34 to <37 wks)
6.9%
5.8%
Term (>=37 wks)
90.4%
92.1%
Method
-
hcup-us.ahrq.gov/reports/factsandfigures/2008/exhibit5_7.jsp
January 01, 2008 - Elixhauser Comorbidity Software Refined for ICD-10-CM
Chronic Condition Indicator Refined for ICD-10-CM
Procedure … Elixhauser Comorbidity Software for ICD-9-CM
Utilization Flags for Revenue Center Codes and ICD-9-CM
Procedure … Summary Trend Tables
Findings-At-A-Glance
Publications
Information About Using HCUP Data
Methods … PROCEDURES
4. COSTS
5. … MHSA
SOURCES/METHODS
DEFINITIONS
FOR MORE INFO
ACKNOWLEDGMENTS
CITATION
FACTS & FIGURES 2008
-
hcup-us.ahrq.gov/reports/factsandfigures/2007/section2_TOC.jsp
January 01, 2007 - Elixhauser Comorbidity Software Refined for ICD-10-CM
Chronic Condition Indicator Refined for ICD-10-CM
Procedure … Elixhauser Comorbidity Software for ICD-9-CM
Utilization Flags for Revenue Center Codes and ICD-9-CM
Procedure … Summary Trend Tables
Findings-At-A-Glance
Publications
Information About Using HCUP Data
Methods … PROCEDURES
4. COSTS
5. … PAYERS
SOURCES/METHODS
DEFINITIONS
FOR MORE INFO
ACKNOWLEDGMENTS
CITATION
FACTS & FIGURES
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/SummaryStats_NIS_2001_Quality_Report.PDF
January 01, 2001 - please refer to the special report on HCUP Quality Control Procedures. … AGE and LOS calculated in a manner consistent with methods used for HCUP processing, thus these data … EPR : Any PR edit 0.06 4,655
EPR02 : Invalid procedure code on record 0.06 4,513
EPR03 : Procedure … inconsistent with sex 0.00 143
Procedure
Days EPRDAY01: Day of procedure not during stay 0.01 544 … Diagnoses/Procedures EDXPR : Any DXPR edit 0.54 40,355
EDXPR01 : Mixed neonatal and maternal record
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1999_Quality_Report2.pdf
January 01, 1999 - please refer to the special report on HCUP Quality Control Procedures. … AGE and LOS calculated in a manner consistent with methods used for HCUP processing, thus these data … EPR : Any PR edit 0.02 1,329
EPR02 : Invalid procedure code on record 0.02 1,229
EPR03 : Procedure … inconsistent with sex 0.00 100
Procedure Days EPRDAY01: Day of procedure not during stay 0.03 2,092 … Diagnoses/Procedures EDXPR : Any DXPR edit 0.62 44,473
EDXPR01 : Mixed neonatal and maternal record
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2000_Quality_Report.PDF
January 01, 2000 - please refer to the special report on HCUP Quality Control Procedures. … AGE and LOS calculated in a manner consistent with methods used for HCUP processing, thus these data … inconsistent with sex 0.01 382
EDX04 : Principal diagnosis invalid for DRG
assignment
0.00 77
Procedures … : Procedure inconsistent with sex 0.00 227
Procedure Days EPRDAY01: Day of procedure not during stay … 0.01 710
Diagnoses/Procedures EDXPR : Any DXPR edit 0.60 44,741
EDXPR01 : Mixed neonatal and maternal
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1999_Quality_Report.pdf
January 01, 1999 - please refer to the special report on HCUP Quality Control Procedures. … AGE and LOS calculated in a manner consistent with methods used for HCUP processing, thus these data … EPR : Any PR edit 0.02 1,329
EPR02 : Invalid procedure code on record 0.02 1,229
EPR03 : Procedure … inconsistent with sex 0.00 100
Procedure Days EPRDAY01: Day of procedure not during stay 0.03 2,092 … Diagnoses/Procedures EDXPR : Any DXPR edit 0.62 44,473
EDXPR01 : Mixed neonatal and maternal record