HEALTHCARE COST & UTILIZATION PROJECT

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Healthcare Cost and Utilization Project (HCUP)

The Healthcare Cost and Utilization Project (HCUP) includes the largest collection of longitudinal hospital care data in the United States.

HCUP Products

Learn about HCUP products including State and nationwide databases, software and online tools, and reports.

  • HCUP Databases contain information on inpatient stays, emergency department visits, and ambulatory care
  • HCUPnet is an online query system that provides immediate access to health statistics
  • HCUP Fast Stats is an online query tool that uses visual displays to compare national or State statistics on a range of healthcare topics.
  • HCUP Research Tools provide complimentary tools and software to use with HCUP and similar databases
  • HCUP Reports feature findings, publications, and technical reports on HCUP issues
HCUP Services

Utilize HCUP services to purchase HCUP data, get answers to your HCUP-related questions, and learn how to use the HCUP databases.

What's New

HCUP Software Tools for Services and Procedures Calendar Year 2026 Updates Released (05/06/2026)

The following 2023 AHRQ HCUP databases are now available through the AHRQ HCUP Central Distributor Online Reporting System (1/14/2026)

  • 2023 Nationwide Ambulatory Surgery Sample (NASS) (Introduction to the NASS – 2023 (PDF), What's New in the 2023 NASS (HTML))
  • 2023 Nationwide Emergency Department Sample (NEDS) (Introduction to the NEDS – 2023 (PDF), What's New in the 2023 NEDS (HTML))

The 2023 AHRQ HCUP National Inpatient Sample (NIS) is now available (12/18/2025)

Releases of 2024 State Databases (09/03/2025)

  • The HCUP Central Distributor released 2024 State databases through the HCUP Central Distributor Online Reporting System. New releases will be reflected on the Available Databases by Year page.

Email HCUP and tell us about your research: hcup@ahrq.gov