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SEDD Database Documentation
The State Emergency Department Databases (SEDD) are a set of longitudinal State-specific emergency department (ED) databases included in the HCUP family. The SEDD capture discharge information on all emergency department visits that do not results in an admission. These databases are created by AHRQ through a Federal-State-Industry partnership.
 
SEDD Database Documentation

The State Emergency Department Databases (SEDD) are a set of longitudinal State-specific emergency department (ED) databases included in the HCUP family. The SEDD capture discharge information on all emergency department visits that do not result in an admission. Information on patients seen in the emergency room and then admitted to the hospital is included in the State Inpatient Databases (SID).

The links below provide detailed database documentation for the SEDD, from a high-level Overview to all the detailed specifications, restrictions, and resources necessary for researchers working and publishing with the SEDD.
 
Description of SEDD Database Restrictions on Use File Specifications and Load Programs Data Elements Additional Resources for Data Elements
  • HCUP Quality Control Procedures (PDF file, 290 KB; HTML)
  • HCUP Coding Practices (PDF, 16 KB; HTML)
  • HCUP Hospital Identifiers (PDF file, 82 KB; HTML)
ICD-10-CM/PCS Data Included in 2015-2017 SEDD Known Data Issues HCUP Tools: Labels and Formats HCUP Supplemental Files Obtaining HCUP Data

Internet Citation: SEDD Database Documentation. Healthcare Cost and Utilization Project (HCUP). October 2018. Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/db/state/sedddbdocumentation.jsp.
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Last modified 10/18/18