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  1. hcup-us.ahrq.gov/db/nation/neds/NEDSIntroduction2021.pdf
    March 01, 2024 - Introduction To The HCUP Nationwide Emergency Department Sample (NEDS) 2021 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 EMERGENCY DEPARTMENT SAMPLE (NEDS) 202…
  2. 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…
  3. 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) …
  4. hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2016.jsp
    January 01, 2016 - THE HCUP NATIONWIDE EMERGENCY DEPARTMENT SAMPLE (NEDS), 2016 An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol …
  5. hcup-us.ahrq.gov/db/nation/neds/NEDS2020Introduction.pdf
    September 01, 2022 - 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 EMERGENCY DEPARTMENT SAMPLE (NEDS) 2020 These page…
  6. Ahrqfinalreportvhi (pdf file)

    hcup-us.ahrq.gov/datainnovations/clinicaldata/AHRQFINALREPORTVHI.pdf
    December 01, 2009 - the final sample size was limited for several conditions being analyzed.
  7. hcup-us.ahrq.gov/reports/methods/FinalReportonObservationStatus_v2Final.pdf
    January 01, 2010 - Centers for Medicare and Medicaid Services includes revenue codes and units but those data have not been analyzed … We also analyzed the length of stay compared to time in observation status.
  8. hcup-us.ahrq.gov/db/nation/kid/KIDIntroduction2022.pdf
    December 01, 2024 - Introduction to the KID, 2022 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 KIDS’ INPATIENT DATABASE (KID) 2022 Please read all documentation carefully. BEGIN…
  9. hcup-us.ahrq.gov/tech_assist/sampledesign/508_compliance/index508_2018.jsp
    January 01, 2018 - HCUP Sample Design: National Databases - Accessible Version An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol …
  10. hcup-us.ahrq.gov/nassoverview.jsp
    July 01, 2025 - NASS Overview An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol FAQs Email Updates …
  11. 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…
  12. hcup-us.ahrq.gov/db/nation/kid/kid_2019_introduction.jsp
    January 01, 2012 - INTRODUCTION TO THE HCUP KIDS' INPATIENT DATABASE (KID), 2019 An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol …
  13. hcup-us.ahrq.gov/db/nation/kid/kid_2016_introduction.jsp
    January 01, 2016 - INTRODUCTION TO THE HCUP KIDS' INPATIENT DATABASE (KID), 2016 An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol …
  14. MAINTAIN AND EXPAND (pdf file)

    hcup-us.ahrq.gov/db/nation/nis/reports/Changes_in_NIS_Design_1998.pdf
    January 01, 1998 - MAINTAIN AND EXPAND Changes in the NIS Sampling and Weighting Strategy for 1998 January 18, 2002 TABLE OF CONTENTS Executive Summary..................................................................................................................................... i …
  15. hcup-us.ahrq.gov/db/nation/neds/NEDS2019Introduction.pdf
    September 01, 2021 - 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 EMERGENCY DEPARTMENT SAMPLE (NEDS) 2019 These page…
  16. hcup-us.ahrq.gov/db/nation/neds/NEDS2018Introduction.pdf
    November 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 EMERGENCY DEPARTMENT SAMPLE (NEDS) 2018 These page…
  17. 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…
  18. hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2019.jsp
    January 01, 2019 - THE HCUP NATIONWIDE EMERGENCY DEPARTMENT SAMPLE (NEDS), 2019 An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol …
  19. hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2018.jsp
    January 01, 2018 - THE HCUP NATIONWIDE EMERGENCY DEPARTMENT SAMPLE (NEDS), 2018 An official website of the Department of Health & Human Services Search All AHRQ Websites Careers Contact Us Espanol …
  20. hcup-us.ahrq.gov/reports/statbriefs/sb137.pdf
    March 01, 2012 - These procedure types were removed from these two CCS categories and analyzed separately.

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