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hcup-us.ahrq.gov/db/nation/kid/tools/stats/KID_1997_SummaryStats_Hospital.PDF
January 01, 1997 - please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
HCUP Summary Statistics Report: KID 1997 - Hospital File 1
Means of Continuous Data Elements 14:38 Monday, May 8, 2006
please refer to the section on Description of Data Elements.
For more infor…
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hcup-us.ahrq.gov/db/nation/nass/stats/nass_summary_stats_encounter_unweighted_2016.pdf
January 01, 2016 - NASS Summary Statistics 2016 07:50 Tuesday, June 30, 2020 1
Encounter File Contents: unweighted
Alphabetic List of Variables and Attributes
Num Variable Type Len Pos Label
4 AGE Num 3 153 Age in years at admission
8 AMONTH Num 3 165 Admission Month, 1-12
9 AWEEKEND Num 3 168 Admission day is a weekend
46 CPT1 Cha…
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hcup-us.ahrq.gov/db/nation/nass/stats/nass_summary_stats_encounter_unweighted_2017.pdf
January 01, 2017 - NASS Summary Statistics 2017 08:43 Tuesday, June 30, 2020 1
Encounter File Contents: unweighted
Alphabetic List of Variables and Attributes
Num Variable Type Len Pos Label
4 AGE Num 3 153 Age in years at admission
8 AMONTH Num 3 165 Admission Month, 1-12
9 AWEEKEND Num 3 168 Admission day is a weekend
46 CPT1 Cha…
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hcup-us.ahrq.gov/reports/methods/2003_04.pdf
January 01, 2003 - denominator counts had to be located for all reporting
categories and for all adjustment categories listed … denominator counts had to be located for all reporting
categories and for all adjustment categories listed
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hcup-us.ahrq.gov/db/nation/nis/reports/2004niscomparisonrpt.jsp
May 01, 2016 - The NHDS usually presents diagnoses and procedures in the order in which they were listed on the abstract … diagnosis and another circulatory disease appeared on the record; and (3) if a symptom appeared as a first-listed
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hcup-us.ahrq.gov/db/nation/nis/DataElements_NIS_2004_Hospital.pdf
January 01, 2004 - FIPS State/County code
General Notes
HFIPSSTCO indicates the five-digit state and county FIPS code listed … county
code
General Notes
HOSPSTCO indicates the five-digit state and county modified FIPS code listed
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hcup-us.ahrq.gov/reports/methods/MS2021-05-CCR-Methodologies.pdf
December 17, 2021 - HCUP Cost-to-Charge Ratio Methodologies
HCUP Methods Series
HCUP Cost-to-Charge Ratio Methodologies
Report #2021-05
Contact Information:
Healthcare Cost and Utilization Project (HCUP)
Agency for Healthcare Research and Quality
5600 Fishers Lane
Room 07W17B
Mail Stop 7W25B
Rockville, MD 20857
http:…
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2001.jsp
January 01, 2001 - Overview to the HCUP Nationwide Inpatient Sample (NIS), 2001
An official website of the Department of Health & Human Services
Search All AHRQ Websites
Careers
Contact Us
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…
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hcup-us.ahrq.gov/reports/ataglance/HCUPanalysisPedEDVisitsSuicide.pdf
November 05, 2019 - The HCUP Partner organizations are listed in Appendix A.
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hcup-us.ahrq.gov/news/exhibit_booth/hcup_90_min_pres.jsp
December 01, 2022 - Step 4: Submit online order and complete further instructions listed on the "Thank You" page.
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hcup-us.ahrq.gov/reports/methods/2006_8.pdf
January 01, 2006 - denominator counts had to be located for all reporting categories and for all
adjustment categories listed
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1998_Design_Report.pdf
January 01, 1998 - Several computer programs are listed below
that calculate statistics and their variances from sample
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hcup-us.ahrq.gov/reports/methods/2005_06.pdf
January 01, 2005 - denominator counts had to be located for all reporting categories and for all
adjustment categories listed
-
hcup-us.ahrq.gov/reports/methods/2007_06.pdf
January 01, 2007 - identified two sources of denominator counts for all reporting categories and for all
adjustment categories listed
-
hcup-us.ahrq.gov/reports/methods/2004_07.pdf
January 01, 2004 - denominator counts had to be located for all
reporting categories and for all adjustment categories listed
-
hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1999_Design_Report.pdf
January 01, 1999 - Several computer programs are listed below
that calculate statistics and their variances from sample
-
hcup-us.ahrq.gov/reports/methods/2010_02.pdf
January 01, 2010 - POPULATION DATA SOURCES
The descriptions on the following pages provide details on the data sources listed
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hcup-us.ahrq.gov/db/state/siddist/siddist_discharge.jsp
September 01, 2025 - SID: File Composition - Number of Discharges by Year
An official website of the Department of Health & Human Services
Search All AHRQ Websites
Careers
Contact Us
Espanol
FAQs…
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hcup-us.ahrq.gov/db/nation/nass/stats/NASS_Summary_Stats_Hospital_2022.pdf
January 01, 2022 - NASS Summary Statistics 2022 14:04 Monday, November 11, 2024 1
Hospital File Contents
Alphabetic List of Variables and Attributes
Num Variable Type Len Pos Label
2 DISCWT Num 8 0 Encounter Weight
3 HOSP_BEDSIZE_CAT Num 3 52 Hospital Beds, 1:0-99, 2:100-299, 3:300+
4 HOSP_LOCATION Num 3 55 AHA: Location of Hospital…
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hcup-us.ahrq.gov/db/nation/nass/stats/nass_summary_stats_hospital_2020.pdf
January 01, 2020 - NASS Summary Statistics 2020 04:02 Wednesday, October 5, 2022 1
Hospital File Contents
Alphabetic List of Variables and Attributes
Num Variable Type Len Pos Label
7 DISCWT Num 8 24 Encounter Weight
6 HOSP_BEDSIZE_CAT Num 3 87 Hospital Beds 1:0-99 2:100-299 3:300+
3 HOSP_LOCATION Num 8 8 AHA: Location of Hospital, …