86 State Inpatient Databases (SID)

86.1 Organization

Agency for Healthcare Research and Quality (AHRQ), HHS

86.3 Description

  • The SID includes inpatient discharge records from community hospitals in that State. The SID files encompass all patients, regardless of payer, providing a unique view of inpatient care in a defined market or State over time.

86.4 Vintage/Release Frequency

Annual starting in 1990 (states available vary by year)

86.5 Observational Unit

Hospital inpatient admission

86.6 Collection Methodology

The SID contain the universe of the inpatient discharge abstracts in participating States, translated into a uniform format to facilitate multi-State comparisons and analyses. Together, the SID encompass about 97 percent of all U.S. community hospital discharges. Some States include discharges from specialty facilities, such as acute psychiatric hospitals. *The SID contain a core set of clinical and nonclinical information on all patients, including individuals covered by Medicare, Medicaid, or private insurance, as well as those who are uninsured.

86.7 Available at

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

86.9 Cost

Cost varies by year and state

86.10 Proposal or Application required?

  • Application form required
  • Some states may require proposal

86.11 DUA required?

Yes

86.12 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)