HCUP State Ambulatory Surgery Databases (SASD) - Restricted Access Files

Metadata Updated: December 2, 2017

The State Ambulatory Surgery Databases (SASD) contain the universe of hospital-based ambulatory surgery encounters in participating States. Some States include ambulatory surgery encounters from free-standing facilities as well. Restricted access data files are available with a data use agreement and brief online security training. The data are translated into a uniform format to facilitate multi-State comparisons and analyses. The SASD include all patients in participating settings, regardless of payer, e.g., persons covered by Medicare, Medicaid, private insurance, and the uninsured. The SASD contain clinical and resource use information included in a typical discharge abstract, with safeguards to protect the privacy of individual patients, physicians, and facilities (as required by data sources). Data elements include but are not limited to: diagnoses, procedures, admission and discharge status, patient demographics (e.g., gender, age), total charges, and expected payment source (e.g., Medicare, Medicaid, private insurance, self-pay; for some States, additional discrete payer categories, such as managed care). In addition to the core set of uniform data elements common to all SASD, some include State-specific data elements, such as the patient's race. The SASD exclude data elements that could directly or indirectly identify individuals. For some States, hospital and county identifiers are included that permit linkage to the American Hospital Association Annual Survey File and the Area Resource File.

Access & Use Information

Restricted: This dataset can only be accessed or used under certain conditions. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

Downloads & Resources

No file downloads have been provided. The publisher may provide downloads in the future or they may be available from their other links.


Metadata Created Date July 15, 2016
Metadata Updated Date December 2, 2017
Data Update Frequency R/P1Y

Metadata Source

Harvested from Healthdata.gov

Additional Metadata

Resource Type Dataset
Metadata Created Date July 15, 2016
Metadata Updated Date December 2, 2017
Publisher Agency for Healthcare Research and Quality, Department of Health & Human Services
Unique Identifier eabeb3a6-d2d7-43be-b43d-f83414eb7ee1
HCUP User Support
Maintainer Email
Public Access Level restricted public
Data Update Frequency R/P1Y
Bureau Code 009:33
Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Metadata Catalog ID https://www.healthdata.gov/data.json
Schema Version https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
Data Dictionary http://www.hcup-us.ahrq.gov/db/state/sasddist/sasd_multivar.jsp
Harvest Object Id fbfef975-76b9-4496-9431-fcaa2b144f20
Harvest Source Id 15c538b5-31a0-474e-8ba5-c85ee421cb4d
Harvest Source Title Healthdata.gov
Language en
Data Last Modified 2017-11-27
Program Code 009:000
Source Datajson Identifier True
Source Hash 3949227d627c988c16876ab7596903a36de45e2f
Source Schema Version 1.1
Temporal 1997-01-01T19:00:00-05:00/2016-12-31T00:00:00-05:00

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