Announcement Release Date: September 2019
The Agency for Healthcare Research and Quality (AHRQ) has released a new database, the Nationwide Ambulatory Surgery Sample (NASS). The NASS is the largest all-payer ambulatory surgery database in the country. Unweighted, it contains approximately 7.3 million ambulatory surgery encounters each year. Weighted, the NASS estimates approximately 10.5 million ambulatory surgery encounters in the United States.
Constructed from the State Ambulatory Surgery and Services Databases (SASD), the NASS tracks information about major ambulatory surgery encounters in hospital-owned facilities across the United States. The database provides information on patient characteristics, clinical diagnostic and surgical procedure codes, total charges and expected source of payment, and facility characteristics. Major ambulatory surgeries are defined as selected invasive, therapeutic surgical procedures that typically require the use of an operating room and require regional anesthesia, general anesthesia, or sedation (i.e., surgeries flagged as "narrow" in the HCUP Surgery Flag Software). Procedures intended primarily for diagnostic purposes are excluded.
The 2016 NASS can be purchased through the HCUP Central Distributor. Additional information is located on the NASS Overview Page.
|Internet Citation: AHRQ releases new database: 2016 Nationwide Ambulatory Surgery Sample (NASS) (September 2019). Healthcare Cost and Utilization Project (HCUP). September 2019. Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/news/announcements/nass2016.jsp.|
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|Last modified 9/18/19|