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  1. hcup-us.ahrq.gov/datainnovations/raceethnicitytoolkit/or31.jsp
    August 01, 2014 - Motor Vehicle Crash Mortality among Northwest AI/AN. An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs…
  2. hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1999_Design_Report.pdf
    January 01, 1999 - given the expansion of the number of contributing states, the sampling and weighting strategy was evaluated
  3. hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1998_Design_Report.jsp
    January 01, 1998 - , given the expansion of the number of contributing states, the sampling and weighting strategy was evaluated
  4. hcup-us.ahrq.gov/db/state/sedddist/Introduction_to_SEDD.pdf
    September 01, 2025 - Introduction to the SEDD HEALTHCARE COST AND UTILIZATION PROJECT — HCUP A FEDERAL-STATE-INDUSTRY PARTNERSHIP IN HEALTH DATA Sponsored by the Agency for Healthcare Research and Quality INTRODUCTION TO THE HCUP STATE EMERGENCY DEPARTMENT DATABASES (SEDD) These pages provide on…
  5. hcup-us.ahrq.gov/db/state/sasddist/Introduction_to_SASD.pdf
    September 01, 2025 - Introduction to the SASD HEALTHCARE COST AND UTILIZATION PROJECT—HCUP A FEDERAL-STATE-INDUSTRY PARTNERSHIP IN HEALTH DATA Sponsored by the Agency for Healthcare Research and Quality INTRODUCTION TO THE HCUP STATE AMBULATORY SURGERY AND SERVICES DATABASES (SASD) …
  6. hcup-us.ahrq.gov/db/nation/nass/NASSIntroduction2021.pdf
    April 01, 2024 - Introduction To The HCUP Nationwide Ambulatory Surgery Sample HEALTHCARE COST AND UTILIZATION PROJECT — HCUP A FEDERAL-STATE-INDUSTRY PARTNERSHIP IN HEALTH DATA Sponsored by the Agency for Healthcare Research and Quality INTRODUCTION TO THE HCUP NATIONWIDE AMBULATORY SURGERY SAMPLE (NASS) 2021 …
  7. hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2020.pdf
    January 01, 2020 - HEALTHCARE COST AND UTILIZATION PROJECT — HCUP HEALTHCARE COST AND UTILIZATION PROJECT — HCUP A FEDERAL-STATE-INDUSTRY PARTNERSHIP IN HEALTH DATA Sponsored by the Agency for Healthcare Research and Quality INTRODUCTION TO THE HCUP NATIONWIDE READMISSIONS DATABASE (NRD) 2020 These pages …
  8. hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2020.jsp
    January 01, 2020 - THE HCUP NATIONWIDE READMISSIONS DATABASE (NRD), 2020 An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQ…
  9. hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2015.jsp
    January 01, 2015 - Data Elements Given the increase in the number of contributing HCUP Partner organizations, AHRQ evaluated … Again for the 2012 NIS and subsequent data years, AHRQ evaluated and revised the sampling strategy in
  10. hcup-us.ahrq.gov/datainnovations/clinicalcontentenhancementtoolkit/data_collection.jsp
    February 01, 2025 - Clinical Content Enhancement Toolkit An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs Email Upda…
  11. hcup-us.ahrq.gov/news/awards_archive.jsp
    November 01, 2024 - HCUP Award for Outstanding Research - Archive of Recipients An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol …
  12. hcup-us.ahrq.gov/db/nation/nis/APS-DRGsDefManualV25Public.pdf
    June 01, 2009 - Severity Levels Of the current over 13,000 ICD-9-CM diagnosis codes, 10,690 diagnosis codes were evaluated … After all codes have been evaluated, take the highest severity class and use this as the case’s final
  13. hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2010-2017.pdf
    January 01, 2017 - HEALTHCARE COST AND UTILIZATION PROJECT — HCUP HEALTHCARE COST AND UTILIZATION PROJECT — HCUP A FEDERAL-STATE-INDUSTRY PARTNERSHIP IN HEALTH DATA Sponsored by the Agency for Healthcare Research and Quality INTRODUCTION TO THE HCUP NATIONWIDE READMISSIONS DATABASE (NRD) 2010–2017 …
  14. hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2010-2017.jsp
    January 01, 2017 - THE HCUP NATIONWIDE READMISSIONS DATABASE (NRD), 2010-2017 An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol …
  15. hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2010-2015.jsp
    January 01, 2015 - THE HCUP NATIONWIDE READMISSIONS DATABASE (NRD), 2015 An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQ…
  16. hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2010-2015.pdf
    January 01, 2015 - HEALTHCARE COST AND UTILIZATION PROJECT — HCUP Please read all documentation carefully. 2015 NRD CONTAINS ICD-9-CM AND ICD-10-CM/PCS CODES. On October 1, 2015, hospital administrative data began using ICD-10- CM/PCS, so the first nine months of 2015 contain ICD-9-CM codes and the last three months contain ICD-10…
  17. hcup-us.ahrq.gov/db/nation/nrd/NRD_Introduction_2013.jsp
    January 01, 2013 - THE HCUP NATIONWIDE READMISSIONS DATABASE (NRD), 2013 An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQ…
  18. hcup-us.ahrq.gov/reports/statbriefs/sb49.pdf
    April 01, 2008 - Hospital Stays Related to Child Maltreatment, 2005 HEALTHCARE COST AND UTILIZATION PROJECT Agen Rese April 2008 In 200 6,700 pediatr United of thes abuse. The ra among maltre was m in-hosp unrela percen All in-h maltre and ch years o Childre 27.1 p popula but the percen pediatr …
  19. hcup-us.ahrq.gov/reports/natstats/his95/clinclas.htm
    January 01, 1999 - Clinical Classifications for Health Policy Research: Hospital Inpatient Statistics, 1995 Hospital Inpatient Statistics, 1995 Contents Foreword Overview HCUP Databases Data Healthcare Cost and Utilization Project Study sample Description of the classification systems CCHPR Expande…
  20. hcup-us.ahrq.gov/db/ccr/ip-ccr/CCR-CD-SID-UserGuide-2001-2018-v2.pdf
    January 01, 2018 - CCR CD-SID User Guide 2001-2018 v2 HCUP (12/18/2020) -1- User Guide: CCR for CD-SID Files Cost-to-Charge Ratio Files: User Guide for Central Distributor State Inpatient Database (CD-SID) CCRs The Healthcare Cost and Utilization Project (HCUP) Cost-to-Charge Ratio Files (CCR Files) are hospital-level files t…

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