|General SASD Notes|
Types of Ambulatory Surgery and Other Outpatient Services Collected by the Partner
Beginning in data year 2011, VAHHS has created five separate indicator flags that identify the following:
One outpatient record can indicate multiple types of outpatient services.
Outpatient Data File Provided to HCUP by the Partner
Prior to 2011, VAHHS provided a combined inpatient and outpatient source file to HCUP. Outpatient records for these early files were identified by having a bill type not equal to 111 and 121, which are specific to inpatient services. Any interim records (defined by a bill type of 133 or 853) or erroneous records (defined by the bill type 001) were excluded from any of the HCUP State databases.
Selection of Records for Inclusion in the SASD
Beginning in 2014, all records marked by VAHHS as ambulatory surgery are included in the SASD (STATE_AS=1 based on indicator flag TYPE_AS).
From 2011 through 2013, STATE_AS was set to 1 based on either the indicator flag TYPE_AS or TYPE_A.
From 2006 through 2010, no outpatient record type indicator was provided by VAHHS. All outpatient records without an indication of ED services based on revenue codes in the range 450-459 were included in the SASD.
Prior to 2006, VHHS included an indication of the type of outpatient record. Records marked by VAHHS as outpatient surgery (type A) were included in the SASD.
In all years, any other nonemergent outpatient records (STATE_ED not equal to 1) also are included 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 SID Vermont File Composition. Healthcare Cost and Utilization Project (HCUP). March 2007. Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompvt.jsp.|
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|Last modified 3/22/07|