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  1. Filespecifications Nass 2018 Dx Pr Grps

    hcup-us.ahrq.gov/db/nation/nass/stats/FileSpecifications_NASS_2018_DX_PR_GRPS.TXT
    January 01, 2018 - CCSR SYM017 NASS 2018 DX PR GRPS543 DXCCSR_DEFAULT_DX1 6 Char Default CCSR for principal/first-listed

  2. MAINTAIN AND EXPAND (pdf file)

    hcup-us.ahrq.gov/reports/methods/1998ChangesintheNISRedesignFinal.pdf
    January 18, 2002 - Candidate AHA variables are listed in Appendix A.

  3. Introduction to the SEDD (pdf file)

    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…

  4. Neds 2018 Dx Pr Grps Maskedstats (pdf file)

    hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2018_DX_PR_GRPS_MaskedStats.PDF
    January 01, 2018 - 14.03 XXX000: Unacceptable principal diagnosis (inpatient data) 2,011 0.01 XXX111: Unacceptable first-listed

  5. 2012-03 (pdf file)

    hcup-us.ahrq.gov/reports/projections/2012-03.pdf
    January 01, 2012 - 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: hcup@ahrq.gov or Phone: 1-866-290-HCUP …

  6. 2006 05 Nistrendsreport 1988-2004A (pdf file)

    hcup-us.ahrq.gov/reports/methods/2006_05_NISTrendsReport_1988-2004A.pdf
    January 01, 2006 - 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: hcup@ahrq.gov or Phone: 1-866-29…

  7. INTRODUCTION TO THE HCUP STATE INPATIENT DATABASES (SID)

    hcup-us.ahrq.gov/db/state/siddist/SID_Introduction.jsp
    June 01, 2022 - INTRODUCTION TO THE HCUP STATE INPATIENT DATABASES (SID) An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs…

  8. Introduction to the SID (pdf file)

    hcup-us.ahrq.gov/db/state/siddist/Introduction_to_SID.pdf
    September 01, 2025 - Introduction to the SID 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 INPATIENT DATABASES (SID) These pages provide only an…

  9. Table1 (pdf file)

    hcup-us.ahrq.gov/reports/natstats/commdx/table1.pdf
    February 11, 2011 - No Procedure Listed [.] 13,609,385 100.00 39.05 2.25 2.0 2.3 $1,710 $4,043 Number

  10. Neds 2019 Dx Pr Grps Maskedstats (pdf file)

    hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2019_DX_PR_GRPS_MaskedStats.PDF
    January 01, 2019 - 13.97 XXX000: Unacceptable principal diagnosis (inpatient data) 1,921 0.01 XXX111: Unacceptable first-listed

  11. Microsoft Word - hcup_proj_2012-02.docx (pdf file)

    hcup-us.ahrq.gov/reports/projections/2012-02.pdf
    January 01, 2012 - Microsoft Word - hcup_proj_2012-02.docx 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: hcup@ahrq.gov or Phone…

  12. Methods for Calculating Patient Travel Distance to Hospital in HCUP Data (pdf file)

    hcup-us.ahrq.gov/reports/methods/MS2021-02-Distance-to-Hospital.pdf
    May 26, 2021 - Methods for Calculating Patient Travel Distance to Hospital in HCUP Data HCUP Methods Series Methods for Calculating Patient Travel Distance to Hospital in HCUP Data Report #2021-02 Contact Information: Healthcare Cost and Utilization Project (HCUP) Agency for Healthcare Research and Quality 5600 Fishers…

  13. 2012 HCUP National Inpatient Sample (NIS) Comparison Report

    hcup-us.ahrq.gov/db/nation/nis/reports/2012niscomparisonrpt.jsp
    April 18, 2016 - Further, the NIS estimates are based only on discharges with Medicare as the first-listed (primary) payer

  14. Microsoft Word - AF_Report2006_fin.doc (pdf file)

    hcup-us.ahrq.gov/reports/methods/2008_04.pdf
    January 01, 2008 - Microsoft Word - AF_Report2006_fin.doc 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:…

  15. 2015-04 (pdf file)

    hcup-us.ahrq.gov/reports/methods/2015-04.pdf
    January 01, 2015 - Further, the NIS estimates are based only on discharges with Medicare as the first-listed (primary)

  16. Filespecifications Nis 2021 Dx Pr Grps

    hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2021_DX_PR_GRPS.TXT
    January 01, 2021 - DX_PR_GRPS 50 DXCCSR_Default_DX1 143 148 Char Default CCSR for principal/first-listed

  17. Filespecifications Nis 2022 Dx Pr Grps

    hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2022_DX_PR_GRPS.TXT
    January 01, 2022 - DX_PR_GRPS 50 DXCCSR_Default_DX1 143 148 Char Default CCSR for principal/first-listed

  18. Filespecifications Nis 2019 Dx Pr Grps V2

    hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2019_DX_PR_GRPS_V2.TXT
    January 01, 2019 - DX_PR_GRPS 50 DXCCSR_Default_DX1 143 148 Char Default CCSR for principal/first-listed

  19. Filespecifications Nis 2020 Dx Pr Grps V2

    hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2020_DX_PR_GRPS_V2.TXT
    January 01, 2020 - DX_PR_GRPS 50 DXCCSR_Default_DX1 143 148 Char Default CCSR for principal/first-listed

  20. Filespecifications Kid 2019 Dx Pr Grps V2

    hcup-us.ahrq.gov/db/nation/kid/tools/stats/FileSpecifications_KID_2019_DX_PR_GRPS_V2.TXT
    January 01, 2019 - DX_PR_GRPS 77 DXCCSR_Default_DX1 88 93 Char Default CCSR for principal/first-listed
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