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hcup-us.ahrq.gov/reports/natstats/his95/appcb.htm
February 11, 2011 - Clinical Classifications for Health Policy Research: Hospital Inpatient Statistics, 1995
Appendix C (continued). Expanded
diagnosis categories ( 1 ) (NOTE: You
may need to scroll your browser to the right to see all the data.)
____________________________________________________________________________________…
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hcup-us.ahrq.gov/datainnovations/clinicalcontentenhancementtoolkit/mn22.jsp
September 01, 2014 - Matching Patients across Institutions without Definitive Patient Identifiers
An official website of the Department of Health & Human Services
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hcup-us.ahrq.gov/db/nation/nis/trendwghts.jsp
June 01, 2024 - NIS Trend Weights
An official website of the Department of Health & Human Services
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hcup-us.ahrq.gov/db/nation/nis/nissummstats.jsp
November 01, 2024 - The following links provide summary statistics for the National (Nationwide) Inpatient Sample (NIS). Summary Statistics include means on all numeric variables, frequency distributions, and univariates on continuous variables. Summary statistics are provided by year.
Contents:
2022 NIS
2021 NIS
2020…
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hcup-us.ahrq.gov/db/nation/nass/stats/NASS_Summary_Stats_Supplemental_2022.pdf
January 01, 2022 - NASS Summary Statistics 2022 14:04 Monday, November 11, 2024 1
Supplemental File Contents
Alphabetic List of Variables and Attributes
Num Variable Type Len Pos Label
1 HOSP_NASS Num 4 0 NASS Hospital Number
2 KEY_NASS Num 5 124 NASS Record Number
3 NCPT_NOTINSCOPE Num 3 129 # Out-of-scope CPTs for this encounter
…
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hcup-us.ahrq.gov/reports/natstats/his95/appca.htm
February 11, 2011 - Clinical Classifications for Health Policy Research: Hospital Inpatient Statistics, 1995
Appendix C. Expanded diagnosis
categories ( 1 ) (NOTE: You
may need to scroll your browser to the right to see all the data.)
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hcup-us.ahrq.gov/db/vars/asourceub92/kidnote.jsp
September 01, 2008 - Healthcare Cost and Utilization Project (HCUP) KID Notes
An official website of the Department of Health & Human Services
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hcup-us.ahrq.gov/db/vars/asourceub92/nisnote.jsp
September 01, 2008 - Healthcare Cost and Utilization Project (HCUP) NIS Notes
An official website of the Department of Health & Human Services
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hcup-us.ahrq.gov/db/nation/nis/NIS_1998_Hospital.pdf
January 01, 1998 - Description of Data Elements
This document contains cumulative descriptions of data elements across all
years of HCUP data from 1988 to the current data year.
AHAID - AHA hospital identifier
The hospital identifier (AHAID) contains the 7-digit American Hospital Association (AHA) hospital identifier
that the A…
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hcup-us.ahrq.gov/db/vars/los_x/kidnote.jsp
September 01, 2008 - Healthcare Cost and Utilization Project (HCUP) KID Notes
An official website of the Department of Health & Human Services
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hcup-us.ahrq.gov/db/vars/los/kidnote.jsp
September 01, 2008 - Healthcare Cost and Utilization Project (HCUP) KID Notes
An official website of the Department of Health & Human Services
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hcup-us.ahrq.gov/db/vars/los/nisnote.jsp
September 01, 2008 - Healthcare Cost and Utilization Project (HCUP) NIS Notes
An official website of the Department of Health & Human Services
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hcup-us.ahrq.gov/db/vars/los_x/nisnote.jsp
September 01, 2008 - Healthcare Cost and Utilization Project (HCUP) NIS Notes
An official website of the Department of Health & Human Services
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hcup-us.ahrq.gov/reports/factsandfigures/2009/exhibit5_6.jsp
January 01, 2009 - Facts and Figures Exhibit 5.6
An official website of the Department of Health & Human Services
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hcup-us.ahrq.gov/reports/natstats/his95/table2b.htm
February 11, 2011 - Clinical Classifications for Health Policy Research: Hospital Inpatient Statistics, 1995
Table 2 (continued). Statistics for
1995 HCUP-3 Nationwide Inpatient Sample, by expanded CCHPR procedure (principal
procedure only)
(NOTE: This table includes 10 data columns. You may need to scroll your
browser to the r…
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hcup-us.ahrq.gov/reports/natstats/his95/table2a.htm
February 11, 2011 - Clinical Classifications for Health Policy Research: Hospital Inpatient Statistics, 1995
Table 2. Principal Procedures
Contents
Classification of procedures Operations on the
nervous system Operations on the
endocrine system Operations on the
eye Operations on the
ear Operations on the nose,
mouth, and…
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hcup-us.ahrq.gov/reports/statbriefs/sb247-appendix.pdf
December 25, 2022 - Appendix 247 - Opioid-Related Hospital Stays Among Women in the United States, 2016
1
Agency for Healthcare Research and Quality, Healthcare Cost and Utilization Project, Statistical
Brief #247: Opioid-Related Hospital Stays Among Women in the United States, 2016 (Weiss AJ,
McDermott KW, Heslin KC)
APPENDIX:…
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/FILESPC1_1992_1988.PDF
January 01, 1992 - NATIONWIDE INPATIENT SAMPLE
NIS 1988-1992 FILE SPECIFICATIONS AND RECORD LAYOUTS
HCUP-3 FILE SPECIFICATIONS
NATIONWIDE INPATIENT SAMPLE (NIS), RELEASE 1, 1988-1992
Year
Links to
Record Layouts Description Data Set Name
Number of
Records
Record
Length
Number of
Bytes
1992
6 Full NIS Inpatient Stay, Quarter 1 NIS9…
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hcup-us.ahrq.gov/db/vars/age/kidnote.jsp
September 01, 2008 - Healthcare Cost and Utilization Project (HCUP) KID Notes
An official website of the Department of Health & Human Services
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hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2019_ED_MaskedStats.PDF
January 01, 2019 - please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
HCUP Summary Statistics Report: NEDS 2019 ED File
Means of Continuous Data Elements
Variable / Label N N Miss Min Max Mean Std Dev
CPTCCS1 : CCS: CPT 1 26,036,549 2,367,292 1.00 999.00 218.13 25…