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hcup-us.ahrq.gov/db/state/siddist/siddistvarnote1995.jsp
September 01, 2007 - Reports & Publications
Data Visualizations
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About … HCUP Supplemental Files
NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level … Reports Archive
DATA VISUALIZATIONS
DATA QUERY TOOLS … Central Distributor SID: Availability of Data Elements
HCUP State Inpatient Databases … coding practices, click on the data element.
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hcup-us.ahrq.gov/db/state/sasddist/sasd_multi.jsp
August 01, 2025 - Reports & Publications
Data Visualizations
Data Query Tools
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About … HCUP Supplemental Files
NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level … Reports Archive
DATA VISUALIZATIONS
DATA QUERY TOOLS … All SASD include data from hospital-owned ambulatory surgery facilities. … facility as hospital-owned is specific to its financial relationship with a hospital that provides inpatient
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hcup-us.ahrq.gov/db/ccr/ed-ccr/ed-ccr.jsp
June 01, 2025 - Reports & Publications
Data Visualizations
Data Query Tools
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About … HCUP Supplemental Files
NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level … Reports Archive
DATA VISUALIZATIONS
DATA QUERY TOOLS … HCUP Cost-to-Charge Ratios for Inpatient Files are also available. … Data Elements
Data Type
Summary Statistics
Password
2022
edcc2022CD_v2.csv
2064
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hcup-us.ahrq.gov/reports/statbriefs/sb92.pdf
July 01, 2010 - When more than one payer is listed for a hospital discharge, the first-listed payer is used. … (inpatient, ambulatory surgery, and
emergency department) in the United States, beginning in 1988. … organizations—such as State data
organizations, hospital associations, private data organizations, … HCUPnet generates statistics using data from HCUP's Nationwide Inpatient Sample
(NIS), the Kids' Inpatient … Final Report on Calculating Nationwide Inpatient Sample (NIS) Variances,
2001.
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hcup-us.ahrq.gov/datainnovations/raceethnicitytoolkit/ca15.jsp
October 01, 2014 - Database Information
Research Tools
Request Data … Reports & Publications
Data Visualizations
Data Query Tools
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About … HCUP Supplemental Files
NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level … Reports Archive
DATA VISUALIZATIONS
DATA QUERY TOOLS … requirements for the OSHPD Emergency Department (ED) and Ambulatory Surgery (AS) databases differ from Inpatient
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hcup-us.ahrq.gov/datainnovations/raceethnicitytoolkit/ca14.jsp
June 01, 2014 - Database Information
Research Tools
Request Data … Reports & Publications
Data Visualizations
Data Query Tools
Home
About … HCUP Supplemental Files
NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level … Reports Archive
DATA VISUALIZATIONS
DATA QUERY TOOLS … requirements for the OSHPD Emergency Department (ED) and Ambulatory Surgery (AS) databases differ from Inpatient
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hcup-us.ahrq.gov/reports/statbriefs/SB307-508.pdf
November 03, 2021 - Population Studied
All inpatient stays for adults aged 18 years and older were included in the analysis … In addition, inpatient stays with a principal
diagnosis of neoplasms (i.e., cancer) or factors influencing … costtocharge.jsp
16
[Type here]
Imputation of missing charges and costs
The National Inpatient … HCUP databases bring together the data collection efforts of State data organizations, hospital associations … resource
of encounter-level healthcare data.
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hcup-us.ahrq.gov/DUA/dua_508/DUA508version.jsp
September 01, 2025 - HCUP Supplemental Files
NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level … HCUP databases offer a national information resource of discharge-level healthcare data. … HCUP uses the State-level data to create a uniformly formatted national information resource of discharge-level … Protection of Individual Identities
HCUP data contain discharge-level information on inpatient, … attempting to link, the discharge records of persons in the data set with individually identifiable
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hcup-us.ahrq.gov/reports/natstats/93drgb.htm
September 01, 1997 - Statistics from the HCUP-3 Nationwide Inpatient Sample for 1993: Diagnosis-Related Groups … Statistics from the Nationwide Inpatient Sample
for 1993 Hospital Inpatient Stays (continued) … diagnosis
469 Principal diagnosis 341 0.00 3.36 4,512
invalid as discharge … ahrq.gov Current as of September 1997
Return to Statistics and Research Notes Based on HCUP Data
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hcup-us.ahrq.gov/reports/factsandfigures/2009/exhibit2_4.jsp
January 01, 2009 - Database Information
Research Tools
Request Data … Reports & Publications
Data Visualizations
Data Query Tools
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About … HCUP Supplemental Files
NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level … Reports Archive
DATA VISUALIZATIONS
DATA QUERY TOOLS … Center for Delivery, Organization, and Markets, Healthcare Cost and Utilization Project, Nationwide Inpatient
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hcup-us.ahrq.gov/db/state/siddist/siddistvarnote1996.jsp
September 01, 2007 - Reports & Publications
Data Visualizations
Data Query Tools
Home
About … HCUP Supplemental Files
NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level … Reports Archive
DATA VISUALIZATIONS
DATA QUERY TOOLS … Central Distributor SID: Availability of Data Elements
HCUP State Inpatient Databases … coding practices, click on the data element.
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hcup-us.ahrq.gov/datainnovations/clinicaldata/AHRQFINALREPORTVHI.pdf
December 01, 2009 - to VHI’s
administrative statewide inpatient hospital database. … “VHI Awarded Contract to Link Clinical Data with Hospital Discharge Data”
Virginia Health Information … Is the date in the record the admit or discharge date? One or
the other looks to be missing. … • AHRQ Patient Safety Indicators (PSI) Comparison of Pilot Data, a
National Inpatient Sample, and … A more sophisticated report was
the distribution of lab tests by discharge timeframe.
______
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hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2015_Core_MaskedStats_Weighted.PDF
January 01, 2015 - of Data Elements. … : NEDS 2015 Core File
Means of Continuous Data Elements
Data Summary
Number of Strata 94
Number of … of Data Elements. … DISP_ED Disposition of patient (uniform) from ED 30,542,691 0 1 99 9.91 0.91 8.12123 11.69565
DQTR Discharge … 1.20
6: Home health care 242,946 0.17
7: Against medical advice 1,724,814 1.20
9: Admitted as an inpatient
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hcup-us.ahrq.gov/db/vars/_prn/nisnote.jsp
September 01, 2008 - HCUP Supplemental Files
NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level … Procedures are compared to a list of ICD-9-CM codes valid for the discharge date. … 25
25
25
25
Since NPR can be greater than the number of procedures available on the inpatient … Warning: If a CPT or HCPCS procedure code was reported on a discharge in which the procedure coding … Otherwise, the procedure code was validated against a list of ICD-9-CM procedure codes with respect to discharge
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hcup-us.ahrq.gov/datainnovations/clinicaldata/Finalreport100109.pdf
October 01, 2009 - data sets, identified AHRQ
inpatient quality indicator (IQI) measures could be refined to a higher … Mortality Using Automated Inpatient, Outpatient,
and Laboratory Databases”
Gabriel J. … admission and
discharge dates, admission source, discharge type, age, sex, ICD-9-CM diagnosis
codes … Part of this issue was due to our request for a full one-
year’s worth of lab data for all inpatients … ICD-9-CM diagnosis codes were grouped into nested sets of potential risk factors for
inpatient mortality
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hcup-us.ahrq.gov/datainnovations/Opioid_trends_ICD_Med_Care.pdf
May 15, 2017 - depend
on the availability of comparable data over time. … Subjects: Data are from Healthcare Cost and Utilization Project
State Inpatient Databases for 14 states … -CM data from the fourth quarter
(Q4) of 2015 and Q1–Q3 of 2016. … Overview of the State
Inpatient Databases (SID). … Data innovations: ICD-
10-CM/PCS resources.
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hcup-us.ahrq.gov/db/nation/nis/APS-DRGs%20V22%20Weights%20Manual.pdf
March 01, 2005 - Weights User’s Guide 4
Chapter 2: Methods Data
AP
DATA
Data from the 2002 National Inpatient Sample … The 2002 NIS contains information on all inpatient stays from 995 hospitals, a total of
7,853,982 records … Few records (n=32) were assigned to APS-DRG 4690,
Principal Diagnosis Invalid as Discharge Diagnosis … Even when performed
as an inpatient, few patients have Major CCs associated with them.
STEP 5. … • Mortality weights ranged from 0 to 39.409 with a mean mortality of 0.02239
deaths per discharge
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hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2017.jsp
January 01, 2017 - HCUP Supplemental Files
NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level … Will not report any statistics where the number of observations (i.e., individual discharge records) … As such, the NASS does not contain any encounters admitted from the ambulatory setting to the inpatient … In contrast, hospitals generally report total inpatient admissions, births, and emergency department … a given year is only a snapshot in time of the possible interrelationships among hospital, market, discharge
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hcup-us.ahrq.gov/db/state/siddist/siddistvarnote1998.jsp
September 01, 2007 - Reports & Publications
Data Visualizations
Data Query Tools
Home
About … HCUP Supplemental Files
NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level … Reports Archive
DATA VISUALIZATIONS
DATA QUERY TOOLS … Central Distributor SID: Availability of Data Elements
HCUP State Inpatient Databases … coding practices, click on the data element.
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hcup-us.ahrq.gov/db/state/siddist/siddistvarnote1999.jsp
September 01, 2007 - Reports & Publications
Data Visualizations
Data Query Tools
Home
About … HCUP Supplemental Files
NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level … Reports Archive
DATA VISUALIZATIONS
DATA QUERY TOOLS … Central Distributor SID: Availability of Data Elements
HCUP State Inpatient Databases … coding practices, click on the data element.