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hcup-us.ahrq.gov/db/nation/nis/DataElements_NIS_2003_SEVERITY.pdf
January 01, 2003 - Healthcare Cost and Utilization Project (HCUP) NIS Description of Data Elements - Severity Notes
Description of Data Elements
Nationwide Inpatient Sample (NIS)
Disease Severity Measure File
Severity measures are not available for every state. Please check the
“State Specific Notes” section …
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hcup-us.ahrq.gov/db/nation/kid/KID_2003_CORE_Volume2_M-Z.pdf
January 01, 2003 - Volume 2 - Data Elements
Beginning with letters M-Z
This document contains cumulative descriptions
-
hcup-us.ahrq.gov/toolssoftware/ccs_svcsproc/ccssvcproc.jsp
May 01, 2021 - HCPCS Level II codes include but are not limited to descriptions for ambulance services, dental service
-
hcup-us.ahrq.gov/datainnovations/2015HCUPStateDatabases04072017.pdf
April 07, 2017 - a
Detailed descriptions of the HCUP data elements are available on the HCUP User Support Web site … a
Detailed descriptions of the HCUP data elements are available on the HCUP User Support Web site … a
Detailed descriptions of the HCUP data elements are available on the HCUP User Support Web site
-
hcup-us.ahrq.gov/toolssoftware/comorbidityicd10/CMR-ChangeLog-v20241-v20251.xlsx
November 01, 2024 - v2025.1 Comorbidity Measure v2024.1 Comorbidity Abbreviation v2024.1
No modifications to the measure descriptions
-
hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2020_Hospital_MaskedStats.PDF
January 01, 2020 - 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 2020 Hospital File
Means of Continuous Data Elements
Variable / Label N N Miss Min Max Mean Std Dev
DISCWT : Weight to ED Visits in AHA universe 995 0 1.01 2…
-
hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2019_Hospital_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 Hospital File
Means of Continuous Data Elements
Variable / Label N N Miss Min Max Mean Std Dev
DISCWT : Weight to ED Visits in AHA universe 989 0 0.73 1…
-
hcup-us.ahrq.gov/db/nation/kid/KID_dataelements.pdf
January 28, 2002 - HCUP KIDS’ INPATIENT DATABASE
DESCRIPTION OF DATA ELEMENTS
HCUP KID (01/28/02) Description of Data Elements
TABLE OF CONTENTS
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
ADAYWK . . . . . . . . . . . . . . . . . . . . …
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hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2006v2_MaskedStats_Core_Weighted.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 Weighted Summary Statistics Report: NEDS 2006 - Core File
23:09 Thursday, April 8, 2010 1
Means of Continuous Data Elements
please refer to the section on Description of Data Elements.
For …
-
hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2020_Core_MaskedStats.PDF
January 01, 2020 - 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 2020 Core File
Means of Continuous Data Elements
Variable / Label
N N Miss Min Max Mean
Std
Dev
AGE : Age in years at admission 28,036,349 685 0.00 90.00 43…
-
hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2019_Core_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 Core File
Means of Continuous Data Elements
Variable / Label N N Miss Min Max Mean Std Dev
AGE : Age in years at admission 33,145,373 1,878 0.00 90.00 4…
-
hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2022_Hospital_MaskedStats.PDF
January 01, 2022 - 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 2022 Hospital File 15:48 Tuesday, November 5, 2024 1
Means of Continuous Data Elements
Variable / Label N N Miss Min Max Mean Std Dev
DISCWT : Weight to ED V…
-
hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2021_Hospital_MaskedStats.PDF
January 01, 2021 - 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 2021 Hospital File 18:25 Friday, March 1, 2024 1
Means of Continuous Data Elements
Variable / Label N N Miss Min Max Mean Std Dev
DISCWT : Weight to ED Visit…
-
hcup-us.ahrq.gov/toolssoftware/ccsr/PRCCSR-ChangeLog-v20231-v20241.xlsx
December 01, 2023 - Label, Y/N CCSR Category Description v2024.1 CCSR Category Description v2023.1
No changes to CCSR descriptions
-
hcup-us.ahrq.gov/db/vars/pointoforiginub04/kidnote.jsp
October 04, 2025 - Healthcare Cost and Utilization Project (HCUP) KID Notes
An official website of the Department of Health & Human Services
Search All AHRQ Websites
Careers
Contact Us
Espanol
FAQs…
-
hcup-us.ahrq.gov/datainnovations/clinicaldata/lvback.jsp
July 01, 2016 - Pilot and Planning Projects : AHRQ-funded pilot and planning project descriptions with access to materials
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1990_SummaryStats.PDF
January 01, 2023 - please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
HCUP Summary Statistics Report: NIS 1990 15:52 Tuesday, March 15, 2005 1
…
-
hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2022_Core_MaskedStats_Weighted.PDF
January 01, 2022 - please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
HCUP Weighted Summary Statistics Report: NEDS 2022 Core File
15:48 Tuesday, November 5, 2024 1
Means of Continuous Data Elements
Data Summary
Number of Strata 140
Number of Clusters 993
Numbe…
-
hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2020_Core_MaskedStats_Weighted.PDF
January 01, 2020 - please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
HCUP Weighted Summary Statistics Report: NEDS 2020 Core File
Means of Continuous Data Elements
Data Summary
Number of Strata 140
Number of Clusters 995
Number of Observations 28,037,034
Sum o…
-
hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2021_Core_MaskedStats_Weighted.PDF
January 01, 2021 - please refer to the section on Description of Data Elements.
For more information about the coding of HCUP data elements,
HCUP Weighted Summary Statistics Report: NEDS 2021 Core File 18:25 Friday, March 1, 2024 1
Means of Continuous Data Elements
Data Summary
Number of Strata 136
Number of Clusters 993
Number of …