-
hcup-us.ahrq.gov/HCUP_Overview/HCUP_Overview/index508.jsp
October 01, 2022 - Nationwide Ambulatory Surgery Sample (NASS) is the largest all-payer ambulatory surgery database in … Jack arrives at a hospital-owned surgery center for outpatient eye surgery. … Hospital-Owned Surgery Centers
All SASD include records from hospital-owned ambulatory surgery sites … surgery centers. … changes
Access to ambulatory surgery care
Utilization of ambulatory surgery services by special
-
hcup-us.ahrq.gov/db/state/siddist/siddist_filecompnj.jsp
August 01, 2006 - Classes Refined for ICD-10-PCS
Tools for CPT and HCPCS Level II
CCS for Services and Procedures
Surgery … ICD-9-CM
Utilization Flags for Revenue Center Codes and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery … Patient Type Flag:
0 - Inpatient: Bill Type = 011X or 012X
1 - Same Day Surgery (SDS): Bill Type = … Inpatient records were those that did not fit the following definition of an ambulatory surgery record … :
Same-day stay (LOS = 0),
Non-zero charges to operating room or same-day surgery, and
Discharged
-
hcup-us.ahrq.gov/tech_assist/faq.jsp
October 01, 2024 - Some State
Ambulatory Surgery and Services Databases (SASD) include
ambulatory surgery … What is the Nationwide Ambulatory Surgery Sample (NASS)? … Are ambulatory surgery centers (ASCs) included in the NASS? … All SASD include data from hospital-owned ambulatory surgery facilities. … What is the Surgery Flags Software for Services and Procedures?
-
hcup-us.ahrq.gov/db/state/sedddist/sedddist_filecompwi.jsp
June 01, 2007 - Classes Refined for ICD-10-PCS
Tools for CPT and HCPCS Level II
CCS for Services and Procedures
Surgery … ICD-9-CM
Utilization Flags for Revenue Center Codes and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery … The Wisconsin Department of Health Services collects an outpatient file that includes ambulatory surgery … Identification of the type of service is based on a record type indicator:
Ambulatory surgery (record … When an ED visit results in an inpatient discharge or an outpatient surgery, the facility can choose
-
hcup-us.ahrq.gov/reports/methods/methods.jsp
February 01, 2025 - Classes Refined for ICD-10-PCS
Tools for CPT and HCPCS Level II
CCS for Services and Procedures
Surgery … ICD-9-CM
Utilization Flags for Revenue Center Codes and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery … Administrative Data (PDF file, 301 KB)
Report #2011-02
Evaluation of the State Ambulatory Surgery … and NHDR Report (PDF file, 367 KB)
Report #2011-07
Evaluation of the State Ambulatory Surgery … Comparison Report (PDF file, 644 KB)
Report #2005-04
Evaluation of the State Ambulatory Surgery
-
hcup-us.ahrq.gov/db/nation/nass/nassrefinements2019.jsp
October 18, 2021 - Classes Refined for ICD-10-PCS
Tools for CPT and HCPCS Level II
CCS for Services and Procedures
Surgery … ICD-9-CM
Utilization Flags for Revenue Center Codes and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery … :
The 2019 NASS is based on data selected from both the HCUP State Ambulatory Surgery
-
hcup-us.ahrq.gov/toolssoftware/revisit/revisit.jsp
October 01, 2024 - Classes Refined for ICD-10-PCS
Tools for CPT and HCPCS Level II
CCS for Services and Procedures
Surgery … ICD-9-CM
Utilization Flags for Revenue Center Codes and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery … abstract from a hospital setting, which
can be an inpatient, emergency department or ambulatory surgery … and across
facilities and hospital settings (inpatient, emergency department,
ambulatory surgery … state and across facilities and hospital settings (inpatient, emergency department, and ambulatory surgery
-
hcup-us.ahrq.gov/tech_assist/index_def.jsp
April 01, 2021 - Classes Refined for ICD-10-PCS
Tools for CPT and HCPCS Level II
CCS for Services and Procedures
Surgery … ICD-9-CM
Utilization Flags for Revenue Center Codes and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery … Emergency Department Data Evaluation (PDF report)
Enhanced State Grants
Evaluation of Ambulatory Surgery … Hospitals, 2003
Fact Book #8 Serving the Uninsured: Safety-Net Hospitals, 2003
Fact Book #9 Ambulatory Surgery … - Special Study on the Meaning of the First-Listed Diagnosis on Emergency Department and Ambulatory Surgery
-
hcup-us.ahrq.gov/reports/spotlights_archive.jsp
December 01, 2019 - Surgery 2018 Aug;164(2):294-299. … Surgery. 2016 Dec;160(6):1551-1559. … The impact of specialization on the practice of general surgery has not been characterized. … Read more about this publication
Bariatric Surgery Complications Before vs. … Surgery. 2009 Aug;146(2):375-80.
-
hcup-us.ahrq.gov/tech_assist/citations.jsp
April 01, 2021 - Nationwide Ambulatory Surgery Sample (NASS):
The study examined the 10 most common major ambulator … State Ambulatory Surgery and Services Databases (SASD):
This study explored surgery rates for older … www.hcup-us.ahrq.gov/nedsoverview.jsp
HCUP Nationwide Ambulatory Surgery Sample (NASS). … www.hcup-us.ahrq.gov/sidoverview.jsp
HCUP State Ambulatory Surgery and Services Databases (SASD). … HCUP Surgery Flags Software for Services and Procedures, v2020.1.
-
hcup-us.ahrq.gov/db/state/sasddist/Introduction_to_SASD.pdf
January 01, 2025 - Sponsored by the Agency for Healthcare Research and Quality
INTRODUCTION TO
THE HCUP STATE AMBULATORY SURGERY … • All SASD include data from hospital-owned ambulatory surgery facilities. … Researchers and policymakers use the SASD to compare inpatient surgery data with ambulatory surgery … All SASD include data from hospital-owned ambulatory surgery facilities. … All SASD include data from hospital-owned ambulatory surgery facilities.
-
hcup-us.ahrq.gov/news/exhibit_booth.jsp
December 01, 2022 - Classes Refined for ICD-10-PCS
Tools for CPT and HCPCS Level II
CCS for Services and Procedures
Surgery … ICD-9-CM
Utilization Flags for Revenue Center Codes and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery … HTML )
Nationwide Readmissions Database (NRD) ( PDF file, 400 KB; HTML )
Nationwide Ambulatory Surgery … State Databases
State Inpatient Databases (SID) ( PDF file, 406 KB; HTML )
State Ambulatory Surgery … In addition, 36 Partners provided ambulatory surgery and services data, and 42 provided
emergency
-
hcup-us.ahrq.gov/db/nation/nass/nassdde.jsp
February 01, 2025 - Classes Refined for ICD-10-PCS
Tools for CPT and HCPCS Level II
CCS for Services and Procedures
Surgery … ICD-9-CM
Utilization Flags for Revenue Center Codes and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery … Elements
The following links provide data elements descriptions for the Nationwide Ambulatory Surgery … classification
2020+
Supplemental
TOTAL_AS_ENCOUNTERS
AS encounters with at least one narrow surgery
-
hcup-us.ahrq.gov/tools_software.jsp
July 01, 2025 - Software (CCS) for Services and Procedures
Groups codes into over 240 clinical categories
Surgery … Procedure Classes for ICD-9-CM
Identifies major, minor, diagnostic and therapeutic procedures
Surgery
-
hcup-us.ahrq.gov/moa.pdf
March 28, 2022 - surgery facilities, either within the hospital itself or in hospital-
owned free-standing facilities … Intramural State Ambulatory Surgery and Services Databases (Intramural SASD) – The
Intramural SASD … Ambulatory Surgery and Services Data
ii. Emergency Department Data
iii. … Nationwide Ambulatory Surgery Database (NASS)
iii. … Intramural State Ambulatory Surgery and Services Databases (SASD)
vi.
-
hcup-us.ahrq.gov/news/exhibit_booth/HCUPOverviewDeck_121422.pdf
February 09, 2022 - and Services Data
Partners
Providing:
Ambulatory Surgery
and Services Data
Non-
participating … surgery encounters in
hospital-owned facilities
NEDS: Sample of hospital-owned EDs* from all SEDD … Generate national and
regional estimates of
major ambulatory
surgery encounters
performed in … and services
State Ambulatory Surgery and Services Databases
(SASD)
Nationwide Ambulatory Surgery … Sample (NASS)
Other nonemergent outpatient services
State Ambulatory Surgery and Services Databases
-
hcup-us.ahrq.gov/db/vars/ncpt_notinscope/nassnote.jsp
August 01, 2019 - Classes Refined for ICD-10-PCS
Tools for CPT and HCPCS Level II
CCS for Services and Procedures
Surgery … ICD-9-CM
Utilization Flags for Revenue Center Codes and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery
-
hcup-us.ahrq.gov/overview.jsp
February 01, 2022 - Nationwide Ambulatory Surgery Sample (NASS) is a set of ambulatory surgery databases. … The State Ambulatory Surgery and Services Databases (SASD) include data for ambulatory surgery and other
-
hcup-us.ahrq.gov/databases.jsp
January 01, 2025 - Documentation
Kids’ Inpatient Database (KID)
KID Database Documentation
Nationwide Ambulatory Surgery … State Inpatient Databases (SID)
SID Database Documentation
State Ambulatory Surgery and Services
-
hcup-us.ahrq.gov/db/availability_public.jsp
August 01, 2025 - Classes Refined for ICD-10-PCS
Tools for CPT and HCPCS Level II
CCS for Services and Procedures
Surgery … ICD-9-CM
Utilization Flags for Revenue Center Codes and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery … Revised 8/6/25
State
State Inpatient Databases
State Ambulatory Surgery and Services Databases … Databases
National (Nationwide) Inpatient Sample
Kids' Inpatient Database
Nationwide Ambulatory Surgery … , 16, 19, 22
2016-2022
2018-2022
State
State Inpatient Databases
State Ambulatory Surgery