Skip Navigation

HCUP Methods Series
The HCUP Method Series features a broad array of methodological information on the HCUP databases and software tools. These reports are developed by AHRQ through a Federal-State-Industry partnership.
 
 
HCUP Methods Series

The HCUP Methods Series features a broad array of methodological information on the HCUP databases and software tools. Reports in the series are listed below by category. Reports are also listed by year in chronological order.
 

Methodology
HCUP Methods for National Healthcare Quality and Disparities Report
Comparison Reports
Evaluations of Data
Enhancing Administrative Data
  • Clinical Information
  • Synthetic Person Numbers (for linking across settings and over time)
HCUP Tool Development
  • Clinical Classifications Software
  • Comorbidity Software
  • Utilization Flags
Calculating Costs
Report #2011-04 Tools for More Accurate Inpatient Cost Estimates with HCUP Databases, 2009 (PDF file, 837 KB)
Report #2008-04 Calculate Cost Adjustment Factors by APR-DRG and CCS Using Selected States with Detailed Charge (PDF file, 122 KB)
Report #2008-03 The Cost of Ambulatory Surgery Visits, 2005 (PDF file, 187 KB)
Report #2007-05 The Cost of "Treat and Release" to Hospital Emergency Departments, 2003 (PDF file, 166 KB)
 
Return to top
 
Comparison Reports - Kids’ Inpatient Database (KID)
Report #2006-03 2003 HCUP KIDS' Inpatient Database (KID) Comparison Report (PDF file, 607 KB)
Report #2001-01 Comparative Analysis of the HCUP Kids´ Inpatient Database (KID), 1997 (PDF file, 645 KB)
 
Return to top
 
Comparison Reports - National (Nationwide) Inpatient Sample (NIS)
Report #2015-04 2012 Report (PDF file, 1.1 MB; HTML)
Report #2010-03 2007 Report (PDF file, 524 KB)
Report #2008-01 2005 Report (PDF file, 389 KB)
Report #2007-03 2004 Report (PDF file, 441 KB)
Report #2006-09 2003 Report (PDF file, 547 KB)
Report #2005-03 2002 Report (PDF file, 644 KB)
Report #2004-04 2001 Report (PDF file, 1,076 KB)
Report #2003-01 2000 Report (PDF file, 991 KB)
Report #2002-02 1999 Report (PDF file, 1,117 KB)
Report #2000-01 1997 Report (PDF file, 340 KB)
Report #1998-01 1995 Report (PDF file, 284 KB)
Report #1997-01 1993 Report (PDF file, 301 KB)
Report #1996-01 1988-1992 Report (PDF file, 436 KB)
 
Return to top
 
Diagnosis Present-on-Admission Indicators
Report #2015-06 Examination of the Coding of Present-on-Admission Indicators in Healthcare Cost and Utilization Project (HCUP) State Inpatient Databases (SID) (PDF file, 756 KB)
Report #2011-05 The Case for the POA Indicator: Update 2011 (PDF file, 418 KB)
Report #2006-01 The Case for the Present-on-Admission (POA) Indicator (PDF file, 246 KB)
 
Return to top
 
Enhancing Administrative Data
Report #2010-01 Enhancing Clinical Information in Statewide Hospital Administrative Data: Project Summary and Lessons Learned (PDF file, 248 KB)
Report #2006-02 Final PNUM Linkage Variable Report of the State Databases Available Through the HCUP Central Distributor, 2003 (PDF file, 224 KB)
 
Return to top
 
Estimating Trends (NIS and KID)
Report #2007-02 Using the KIDS' Inpatient Database (KID) to Estimate Trends (PDF file, 360 KB)
Trends Weights for the 1997 HCUP KID Data
Report #2006-05 Using the HCUP Nationwide Inpatient Sample to Estimate Trends (PDF file, 1.3 MB)
Trend Weights for 1988-1997 HCUP NIS Data (Link to downloadable weights files)
Report #2005-01 Using the HCUP Nationwide Inpatient Sample to Estimate Trends (1988-2002) (PDF file, 830 KB)
Trend Weights for 1988-1997 HCUP NIS Data (Link to downloadable weights files)
 
Return to top
 
Evaluations - Emergency Department Data
Report #2011-03 Special Study on the Meaning of the First-Listed Diagnosis on Emergency Department and Ambulatory Surgery Records (PDF file, 1 MB)
Report #2005-02 Emergency Department Data Evaluation (PDF file, 752 KB)
 
Return to top
 
Evaluations - Other
Report #2016-02 Impact of ICD-10-CM/PCS on Research Using Administrative Databases (PDF file, 1.2 MB)
Report #2015-03 HCUP External Cause of Injury (E Code) Evaluation Report (Updated with 2012 HCUP Data) (PDF file, 429 KB)
Report #2014-01 HCUP External Cause of Injury (E Code) Evaluation Report (Updated with 2011 HCUP Data) (PDF file, 297 KB)
Report #2013-02 HCUP External Cause of Injury (E Code) Evaluation Report (Updated with 2010 HCUP Data) (PDF file, 227 KB)
Report #2008-02 Patient Safety in Hospitals in 2004: Toward Understanding Variation Across States (PDF file, 459 KB)
Report #2004-06 HCUP External Cause of Injury (E Code) Evaluation Report (2001 HCUP Data) (PDF file, 897 KB)
HCUP E Code Evaluation Addendum - Updated Information for 2009 (PDF file, 159 KB)
HCUP E Code Evaluation Addendum - Updated Information for 2006 and 2008 (PDF file, 135 KB)
HCUP E Code Evaluation Report - Appendix D (PDF file, 486 KB)
HCUP E Code Evaluation Report - Appendix E (PDF file, 463 KB)
 
Return to top
 
Evaluations - State Ambulatory Surgery and Services Databases
Report #2011-07 2009 Report (PDF file, 756 KB)
Report #2011-03 Special Study on the Meaning of the First-Listed Diagnosis on Emergency Department and Ambulatory Surgery Records (PDF file, 1 MB)
Report #2011-02 2008 Report (PDF file, 767 KB)
Report #2010-04 2007 Report (PDF file, 903 KB)
Report #2009-03 2006 Report (PDF file, 248 KB)
Report #2008-08 2005 Report (PDF file, 526 KB)
Report #2007-04 2004 Report (PDF file, 356 KB)
Report #2006-10 2003 Report (PDF file, 316 KB)
Report #2005-04 2002 Report (PDF file, 253 KB)
Report #2004-03 2001 Report (PDF file, 489 KB)
Report #2003-03 1999 Report (PDF file, 419 KB)
 
Return to top
 
Expected Payer
Report #2015-08 User Guide - An Examination of Expected Payer Coding in HCUP Databases (PDF file, 542 KB)
Supplements 1-3 (PDF file, 880 KB)
Report #2014-03 User Guide - An Examination of Expected Payer Coding in HCUP Databases (PDF file, 557 KB)
An Examination of Expected Payer Coding in HCUP Databases (PDF file, 1.3 MB)
Supplements 1-3 (PDF file, 842 KB)
Supplement 4 (PDF file, 502 KB; Excel file, 156 KB)
 
Return to top
 
HCUP Methods for National Healthcare Quality and Disparities Report
Report #2016-01 Methods Applying AHRQ Quality Indicators to Healthcare Cost and Utilization Project (HCUP) Data for the 2015 National Healthcare Quality and Disparities Report (QDR) (PDF file, 992 KB)
Report #2015-02 Methods Applying AHRQ Quality Indicators to Healthcare Cost and Utilization Project (HCUP) Data for the 2014 National Healthcare Quality and Disparities Report (QDR) (PDF file, 491 KB)
Report #2012-03 Eleventh (2013) Quality and Disparities Report (PDF file, 458 KB; HTML)
Report #2012-02 Tenth (2012) Quality and Disparities Report (PDF file, 134 KB; HTML)
Report #2011-06 Ninth (2011) Quality and Disparities Report (PDF file, 367 KB)
Report #2010-06 Eighth (2010) Quality and Disparities Report (PDF file, 623 KB)
Report #2009-02 Seventh (2009) Disparities Report (PDF file, 248 KB)
Report #2008-06 Sixth (2008) Disparities Report (PDF file, 149 KB)
Addendum to Sixth (2008) Disparities Report (PDF file, 33 KB)
Report #2008-05 Sixth (2008) Quality Report (PDF file, 172 KB)
Report #2007-07 Fifth (2007) Disparities Report (PDF file, 508 KB)
Report #2007-06 Fifth (2007) Quality Report (PDF file, 428 KB)
Report #2006-08 Fourth (2006) Disparities Report (PDF file, 185 KB)
Report #2006-07 Fourth (2006) Quality Report (PDF file, 212 KB)
Report #2005-06 Third (2005) Disparities Report (PDF file, 186 KB)
Report #2005-05 Third (2005) Quality Report (PDF file, 282 KB)
Report #2004-07 Second (2004) Quality Report (PDF file, 414 KB)
Report #2004-05 Second (2004) Disparities Report (PDF file, 433 KB)
Report #2003-05 First (2003) Quality Report (PDF file, 490 KB)
Report #2003-04 First (2003) Disparities Report (PDF file, 674 KB)
 
Return to top
 
HCUP Tool Development
Report #2006-04 Development of Utilization Flags for Use with UB-92 Administrative Data (PDF file, 258 KB)
Appendices: A-F (PDF file, 452 KB)
Report #2004-02 Clinical Classifications Software Documentation (PDF file, 355 KB)
Report #2004-01 Comorbidity Software Documentation (PDF file, 583 KB; HTML)
 
Return to top
 
Observation Services
Report #2015-05 Identifying Observation Services in the Healthcare Cost and Utilization Project (HCUP) State Databases (PDF file, 647 KB)
Report #2002-03 Observation Status Related to U.S. Hospital Records (PDF file, 469 KB)
 
Return to top
 
Population Denominator Data for Use with HCUP Databases
Report #2015-07 Population Denominator Data for Use with the HCUP Databases (Updated with 2014 Population Data) (PDF file, 617 KB)
Appendix A Population Data Tables (in ZIP format for downloading)
Report #2014-02 Population Denominator Data for Use with the HCUP Databases (Updated with 2013 Population Data) (PDF file, 538 KB)
Appendix A Population Data Tables (in ZIP format for downloading)
Report #2013-01 Population Denominator Data for use with HCUP Databases (Updated with 2012 Population data) (PDF file, 338 KB)
Appendix A Population Data Tables (in ZIP format for downloading)
Report #2012-01 Population Denominator Data for use with HCUP Databases (Updated with 2010 Population data) (PDF file, 436 KB)
Appendix A Population Data Tables (in ZIP format for downloading)
Report #2010-02 Population Denominator Data for Use with the HCUP Databases (Updated with 2009 Population Data) (PDF file, 353 KB)
Report #2008-07 Population Denominator Data for Use with the HCUP Databases (Updated) (PDF file, 248 KB)
Census Population Data Tables, 1990-2007 (in ZIP format for downloading)
Report #2006-06 Updated population information available under Method Series Report 2008-07
Population Denominator Data for Use with the HCUP Databases (PDF file, 285 KB)
Census Population Data Tables, 1990-2005 (in ZIP format for downloading)
 
Return to top
 
Readmission and Revisit Analyses
Report #2012-04 Overview of Key Readmission Measures and Methods (PDF file, 348 KB)
Report #2011-01 Methodological Issues when Studying Readmissions and Revisits using Hospital Administrative Data (PDF file, 301 KB)
 
Return to top
 
Statistical Methods
Report #2015-09 Calculating National Inpatient Sample (NIS) Variances for Data Years 2012 and Later (PDF file, 565 KB; HTML)
Report #2015-01 Missing Data Methods for the NIS and the SID (PDF file, 871 KB)
Report #2014-04 Nationwide Inpatient Sample (NIS) Redesign Final Report (PDF file, 2.0 MB)
Report #2010-05 Inferences with HCUP State Databases Final Report (PDF file, 215 KB)
Report #2007-01 Hierarchical Modeling Using HCUP Data (PDF file, 580 KB)
Report #2005-07 Calculating Kids' Inpatient Database (KID) Variances (PDF file, 322 KB)
Report #2003-02 Calculating Nationwide Inpatient Sample (NIS) Variances for Data Years 2011 and Earlier (PDF file, 642 KB; HTML)
Report #2002-01 Changes in the NIS Sampling and Weighting Strategy for 1998 (PDF file, 1,430 KB)
 
Return to top
 

Internet Citation: HCUP Methods Series. Healthcare Cost and Utilization Project (HCUP). July 2016. Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/reports/methods/methods_topic.jsp.
Are you having problems viewing or printing pages on this Website?
If you have comments, suggestions, and/or questions, please contact hcup@ahrq.gov.
Privacy Notice, Viewers & Players
Last modified 7/25/16