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HCUP Calendar - Database and Product Releases
This calendar provides information on HCUP database and product releases, which are developed by AHRQ through a Federal-State-Industry partnership.
HCUP Database and Product Releases


Updated 5/19/15

Databases are released on a monthly basis (Date of release: Database released). Information on obtaining them is available at the Central Distributor.
National Databases State Databases
National Inpatient Sample (NIS)

  • Fall 2015: 2013 NIS
  • June 2014: 2012 NIS
State Inpatient Databases (SID)

  • NEW May 2015: 2013: AR, HI
  • Prior releases:
    • 2013 SID: AZ, CO, FL, IA, KY, MI, NC, NJ, NM, NV, NY, OR, SC, SD, VT, WA, WI, WV
    • 2012 SID: ME
Kids' Inpatient Database (KID)

  • July 2014: 2012 KID
State Ambulatory Surgery and Services Database (SASD)

  • Prior releases:
    • 2013 SASD: AZ, CO, FL, IA, KY, NC, NJ, NV, NY, OR, SC, VT, WI
    • 2012 SASD: ME
National Emergency Department Sample (NEDS)

  • March 2014: 2011 NEDS, Version 2
  • December 2014: 2012 NEDS
State Emergency Department Database (SEDD)

  • Prior releases:
    • 2013 SEDD: AZ, FL, IA, KY, MA, NC, NJ, NV, NY, SC, VT, WI
    • 2012 SEDD: ME
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Tools and Software Releases
Updated 4/20/15
March 2015 Clinical Classifications Software (CCS) - Services and Procedures, Calendar Year 2015 Updates
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Publication Releases
Updated 4/20/15
March 2015 HCUP Infographic: Inpatient VS. Outpatient Surgeries in U.S. Hospitals (JPEG file, 184 KB; PDF file, 1 MB)

Methods Report 2015-03 (PDF file, 429 KB), HCUP External Cause of Injury Code (E Code) Evaluation Report (Updated with 2012 HCUP Data)
February 2015 HCUP Statistical Briefs #188 (PDF file, 219 KB), Surgeries in Hospital-Owned Outpatient Facilities, 2012

Methods Report 2015-02 (PDF file, 634 KB), Applying AHRQ Quality Indicators to Healthcare Cost and Utilization Project (HCUP) Data for the 2014 NHQR and NHDR

Methods Report 2015-01 (PDF file, 542 KB), Missing Data Methods for the NIS and the SID
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Internet Citation: HCUP Databases and Product Releases. Healthcare Cost and Utilization Project (HCUP). May 2015. Agency for Healthcare Research and Quality, Rockville, MD.
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Last modified 5/19/15