84 State Ambulatory Surgery and Services Databases (SASD)

84.1 Organization

Agency for Healthcare Research and Quality (AHRQ), HHS

84.3 Description

  • SASD include encounter-level data for ambulatory surgeries and may also include various types of outpatient services such as observation stays, lithotripsy, radiation therapy, imaging, chemotherapy, and labor and delivery. The specific types of ambulatory surgery and outpatient services included in each SASD vary by State and data year.

84.4 Vintage/Release Frequency

Annual since 1997 (states available vary by year)

84.5 Observational Unit

Ambulatory surgery encounter

84.7 Available at

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

84.9 Cost

Cost varies by year and state

84.10 Proposal or Application required?

  • Application form required
  • Some states may require proposal

84.11 DUA required?

Yes

84.12 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)