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hcup-us.ahrq.gov/reports/statbriefs/sb223-Ambulatory-Inpatient-Surgeries-2014.jsp
January 01, 2014 - Highlights
In 2014, 17.2 million hospital visits (ambulatory or inpatient) included invasive … A total of 17.2 million hospital visits (AS visits or inpatient stays) in the United States included … Inpatient gastric bypass and volume reductions are included in alternative categories, such as CCS 94 … The ambulatory surgery analytic file included 2.0 million unweighted discharges. … For this report, records from the SASD meeting the following criteria were included in the nationwide
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hcup-us.ahrq.gov/db/state/sedddist/Introduction_to_SEDD.pdf
September 01, 2025 - ................................................................... 5
What Types of Facilities Are Included … Information on patients initially seen in the emergency room and then admitted to the hospital is included … What Types of Facilities Are Included in the SEDD? … The data elements included in that file were derived from
AHRQ software tools. … Based on the availability of data elements across States, data elements included in the 2015 SEDD are
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hcup-us.ahrq.gov/seddoverview.jsp
September 01, 2025 - Information about patients initially seen in the ED and then admitted to the hospital is included in … Contents
SEDD Data Elements
The SEDD contain clinical and resource-use information that is included … The SEDD contain more than 100 clinical and non-clinical variables included in a hospital discharge abstract … Inpatient Databases (SID) , and to the American Hospital Association Annual Survey File
Elements included
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompia.jsp
March 01, 2007 - However, these records are not included in the data until data year 2017. … These discharges were not included in the source file provided to HCUP and were therefore not included … Any other nonemergent outpatient records (STATE_ED not equal to 1) also are included in the SASD. … also have evidence of ED services based on the HCUP criteria (HCUP data element HCUP_ED > 0), are also included … Types of Facilities Included in the Files Provided to HCUP by the Partner
IHA collects data on outpatient
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hcup-us.ahrq.gov/db/vars/n_disc_f/nisnote.jsp
September 01, 2008 - Beginning in the 1998 NIS, this data element is not included in the data set. … Zero-weight hospitals are included in the 1988-1992 data for NIS, Release 1. … including these hospitals entailed considerable processing burden and costs, no zero-weight hospitals are included
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hcup-us.ahrq.gov/db/vars/n_disc_s/nisnote.jsp
September 01, 2008 - Beginning in the 1998 NIS, this data element is not included in the data set. … Zero-weight hospitals are included in the 1988-1992 data for NIS, Release 1. … including these hospitals entailed considerable processing burden and costs, no zero-weight hospitals are included
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hcup-us.ahrq.gov/db/vars/n_hosp_s/nisnote.jsp
September 01, 2008 - Beginning in the 1998 NIS, this data element is not included in the data set. … Zero-weight hospitals are included in the 1988-1992 data for NIS, Release 1. … including these hospitals entailed considerable processing burden and costs, no zero-weight hospitals are included
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hcup-us.ahrq.gov/db/vars/s_hosp_s/nisnote.jsp
September 01, 2008 - Beginning in the 1998 NIS, this data element is not included in the data set. … Zero-weight hospitals are included in the 1988-1992 data for NIS, Release 1. … including these hospitals entailed considerable processing burden and costs, no zero-weight hospitals are included
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hcup-us.ahrq.gov/db/vars/n_hosp_f/nisnote.jsp
September 01, 2008 - Beginning in the 1998 NIS, this data element is not included in the data set. … Zero-weight hospitals are included in the 1988-1992 data for NIS, Release 1. … including these hospitals entailed considerable processing burden and costs, no zero-weight hospitals are included
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hcup-us.ahrq.gov/db/vars/s_disc_s/nisnote.jsp
September 01, 2008 - Beginning in the 1998 NIS, this data element is not included in the data set. … Zero-weight hospitals are included in the 1988-1992 data for NIS, Release 1. … including these hospitals entailed considerable processing burden and costs, no zero-weight hospitals are included
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hcup-us.ahrq.gov/db/nation/nis/NIS_Sources_and_Restrictions_2000.pdf
January 01, 2000 - Hospitals & Health Systems
Confidentiality of Hospitals
The sample of Georgia hospitals included … Health Information Corporation
Confidentiality of Hospitals
The sample of Hawaii hospitals included … Care Cost Containment Council
Confidentiality of Hospitals
The sample of Illinois hospitals included … Hospitals were
dropped from the sampling frame if they did not give their permission to
be included … hospitals needed to be dropped from
the sampling frame because they did not give permission to be
included
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hcup-us.ahrq.gov/db/nation/kid/KID_Sources_and_Restrictions_2000.pdf
January 01, 2000 - Hospitals & Health Systems
Confidentiality of Hospitals
The sample of Georgia hospitals included … • No more than 60% of Georgia hospitals were allowed to be
included in the KID. … Health Information Corporation
Confidentiality of Hospitals
The sample of Hawaii hospitals included … Hospitals were
dropped from the sampling frame if they did not give their permission to
be included … of 105 hospitals were dropped from the
sampling frame because they did not give permission to be
included
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hcup-us.ahrq.gov/db/state/siddist/Introduction_to_SID.pdf
September 01, 2025 - What Types of Hospitals Are Included in the SID? … Some community hospitals may not be included in the SID because their data were not provided by the … • Some data organizations allow the AHA hospital identifier (AHAID) to be included on the SID. … • Some data organizations allow the HCUP-specific hospital identifier (HOSPID) to be included on … The data elements
included in those two files were derived from AHRQ software tools.
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2005_Design_Report.jsp
January 01, 2005 - The 2005 NIS includes data from 37 states, the same number included in the 2003 and 2004 NIS. … Hospital Sample Design
The NIS sampling frame included all community, non-rehabilitation hospitals … These changes included:
Revising definitions of the strata variables. … Return to Contents
Hospital Sampling Frame
The 2005 NIS sampling frame included data provided by … The 2005 NIS includes data from 37 states, the same number included in the 2003 and 2004 NIS.
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hcup-us.ahrq.gov/db/nation/kid/reports/KID_design_rpt_2003.jsp
January 01, 2003 - These changes included:
Revising definitions of the strata variables
Excluding rehabilitation … Return to Contents
Sampling Frame
The KID sampling frame included all pediatric discharges from … This differs from the 1997 KID, which included discharges with an admission age of 18 or less. … More than 90% of the hospital universe is included in the sampling frame for 27 of these states. … This differs from the 1997 KID, which included discharges with an admission age of 18 or less.
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompsd.jsp
June 01, 2024 - Selection of Records for Inclusion in the SASD
All records identified by SDAHO as ambulatory surgery are included … In addition, any other nonemergent outpatient records (STATE_ED not equal to 1 or) also are included … emergency department services based on the HCUP criteria (HCUP data element HCUP_ED > 0), are also included … Types of Facilities Included in the Files Provided to HCUP by the Partner
SDAHO collects data on ambulatory
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompmn.jsp
November 01, 2016 - A flag for observation services was not included. … Selection of Records for Inclusion in the SASD
All records identified by MHA as ambulatory surgery are included … Any other nonemergent outpatient records (STATE_ED not equal to 1) also are included. … also have evidence of ED services based on the HCUP criteria (HCUP data element HCUP_ED > 0), are also included … Types of Facilities Included in the Files Provided to HCUP by the Partner
MHA collects data on outpatient
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompsc.jsp
March 01, 2007 - Records with both services were included in both files. … Observation services were only included if they were reported on the same record as an ambulatory surgery … Records for Inclusion in the SASD
All records identified by South Carolina as ambulatory surgery are included … also have evidence of ED services based on the HCUP criteria (HCUP data element HCUP_ED > 0), are also included … Types of Facilities Included in the Files Provided to HCUP by the Partner
Outpatient data collection
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompmd.jsp
August 01, 2006 - Prior to 2007, Maryland only included outpatient records with encounter types 01-04 in the file provided … Selection of Records for Inclusion in the SASD
All records identified by HSCRC as ambulatory surgery are included … Any other nonemergent outpatient services (STATE_ED not equal to 1) also are included in the SASD. … also have evidence of ED services based on the HCUP criteria (HCUP data element HCUP_ED > 0), are also included … Types of Facilities Included in the Files Provided to HCUP by the Partner
HSCRC has been setting hospital
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecomput.jsp
August 01, 2006 - patient is initially seen in the emergency department and then has an ambulatory surgery, that record is included … Records for Inclusion in the SASD
All records identified by Utah as ambulatory surgery (AS) (i.e., included … in the separate AS data file provided to HCUP) are included in the SASD (HCUP data element STATE_AS= … also have evidence of ED services based on the HCUP criteria (HCUP data element HCUP_ED > 0), are also included … Types of Facilities Included in the Files Provided to HCUP by the Partner
Utah requires licensed hospital-owned