85 State Emergency Department Databases (SEDD)

85.1 Organization

Agency for Healthcare Research and Quality (AHRQ), HHS

85.2 Website

https://www.hcup-us.ahrq.gov/seddoverview.jsp

85.3 Description

• SEDD captures discharge information on all ED visits in a given State that do not result in an admission.

85.4 Vintage/Release Frequency

Annual starting in 1999 (states available vary by year)

85.5 Observational Unit

Emergency department encounter level

85.6 Collection Methodology

https://hcup-us.ahrq.gov/db/state/sedddbdocumentation.jsp

85.7 Available at

Available for purchase, contact CORP for current availability and possibility to purchase

85.8 User Guide/Data Dictionary

https://www.hcup-us.ahrq.gov/db/state/sedddbdocumentation.jsp

85.9 Cost

Cost varies by year and state

85.10 Proposal or Application required?

• Application form required
• Some states may require proposal

85.11 DUA required?

Yes

85.12 Special Notes

• Query and classify patients using ICD
• Up to the 3rd quarter of 2015, diagnosis and procedure codes are coded using ICD-9. In the 4th quarter of 2015 the transition to ICD-10 is done. Because of this the file structure for 2015 is different than previous years.
• Some states allow tracking a particular patient across multiple events
• All users must complete a Data Use Agreement Training and sign a DUA
• Before publishing with any HCUP database, ensure manuscript follows requirements of the HCUP DUA and includes the appropriate citation (see https://www.hcup- us.ahrq.gov/db/publishing.jsp)