HCUP Database and Product Releases


Updated 1/20/21

State databases are released on a monthly basis (Database year: State). Information on obtaining them is available at the HCUP Central Distributor.
National Databases State Databases
National Inpatient Sample (NIS)
  • November 2020: 2018 NIS
Kids' Inpatient Database (KID)
  • September 2018: 2016 KID
Nationwide Readmissions Database (NRD)
  • NEW December 2020: 2018 NRD
Nationwide Emergency Department Sample (NEDS)
  • November 2020: 2018 NEDS
Nationwide Ambulatory Surgery Sample (NASS)
  • NEW December 2020: 2018 NASS
State Inpatient Databases (SID)
  • Prior releases:
    • 2019: NV, OR, WI
    • 2018: AR

State Ambulatory Surgery and Services Database (SASD)
  • Prior releases:
    • 2019: NV, OR, WI

State Emergency Department Database (SEDD)
  • Prior releases:
    • 2019: NV, OR, WI
    • 2018: AR
Return to Contents
Tools and Software Releases
Updated 1/20/21
December 2020 AHRQ has released a new HCUP product, the HCUP Summary Trend Tables, downloadable tabulations containing State-specific monthly trends in hospital utilization. See the Reports section of HCUP-US for more information.

Cost-to-Charge Ratio Files for the 2018 Nationwide Readmissions Database (NRD)

Cost-to-Charge Ratio Files for the 2017 and 2018 State Emergency Department Database (SEDD)

AHRQ has released new information in HCUP Fast Stats. The State Trends in Hospital Use by Payer topic has been updated to add emergency department (ED) data for two new States (Colorado and Mississippi) and to add 2018, 2019, and 2020 quarter 1 data, when available, for up to 30 States for inpatient care and 21 States for ED care.

Clinical Classifications Software Refined (CCSR) for ICD-10-PCS procedures (v2021.1; valid through FY 2021)
Return to Contents

Publication Releases
Updated 1/20/21
December 2020 Methods Report 2020-04: Methods Applying AHRQ Quality Indicators to Healthcare Cost and Utilization Project (HCUP) Data for the 2019 National Healthcare Quality and Disparities Reports (NHQDR) (PDF file, 1.3 MB)

Methods Report 2020-03: An Examination of Ambiguous Source Payer Codes Among Individuals Aged 65+ Year in HCUP Data: Final Report (PDF file, 757 KB) Supplements 1-6 (PDF file, 706 KB).

Methods Report 2020-02: Population Denominator Data Sources and Data for Use with HCUP Databases (Updated with 2019 Population Data) (PDF file, 668 KB) Appendix A: Population Data Tables (Excel file, 287 KB).

HCUP Statistical Brief #269 Emergency Department Visits Involving Influenza and Influenza-Like Illnesses, 2016-2018 (PDF file, 474 KB)

HCUP Statistical Brief #268 Costs of Emergency Department Visits in the United States, 2017 (PDF file, 326 KB)

HCUP Statistical Brief #267 Impact of Hurricanes on Injury-Related Emergency Department Visits, 2005-2016 (PDF file, 303 KB)
Return to Contents

Internet Citation: HCUP Databases and Product Releases. Healthcare Cost and Utilization Project (HCUP). January 2021. Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/news/db_products.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 1/5/21