|General SASD Notes|
Types of Ambulatory Surgery and Other Outpatient Services Collected by the Partner
CHIA uses the following hierarchy to identify each outpatient record with a place of service:
CHIA defines an ambulatory surgical center (ASC) as any distinct entity that operates exclusively for the purpose of providing surgical services to patients who do not require hospitalization. In general, ASCs are medical facilities that specialize in elective same day or outpatient surgical procedures. They do not offer emergency care. Patients treated at ASCs do not require admission to a hospital and are well enough to return home following a procedure.
Because of the hierarchical assignment for the place of service, an outpatient encounter that involves emergency department services and outpatient surgery is only flagged as emergency department.
Outpatient Data File Provided to HCUP by the Partner
Selection of Records for Inclusion in the SASD
Additionally, any record in the SASD that also have evidence of ED services based on the HCUP criteria (HCUP data element HCUP_ED > 0), are also included in the HCUP State Emergency Department Databases (SEDD). These records will have the same value for the HCUP data element KEY.
Types of Facilities Included in the Files Provided to HCUP by the Partner
Identification of Hospital-Owned Ambulatory Surgery and Other Types of Outpatient Facilities in the SASD
If the facility in the SASD does not meet any of the above criteria, it is marked as not being owned by a hospital (HOSPITAL_OWNED = 0). Not all hospitals report to the AHA, so there is a possibility that some facilities marked with HOSPITAL_OWNED=0 are hospital-owned.
From data year 1998-2018, the HCUP data element was called FREESTANDING. A facility is considered hospital-owned (FREESTANDING = 0) if any one of the following is true:
If the facility in the SASD does not meet any of the above criteria, it is marked as not being owned by a hospital (FREESTANDING = 1). Not all hospitals report to the AHA, so there is a possibility that some facilities marked with FREESTANDING=1 are hospital-owned.
Exclusion of Records During HCUP Processing
Beginning with 2016 data, records with a discharge disposition of "still a patient" are retained in the HCUP SASD. Prior to 2016 data, these records were excluded.
Beginning in 2010, records with a designation of "admitted as an inpatient" are retained in the SASD, even though this rarely occurs. Prior to 2010, records with a designation of "admitted as an inpatient" were excluded from the files.
|Internet Citation: HCUP Central Distributor SASD Nevada File Composition. Healthcare Cost and Utilization Project (HCUP). September 2013. Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompnv.jsp.|
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|Last modified 9/5/13|