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hcup-us.ahrq.gov/db/nation/kid/tools/stats/KID_2000_SummaryStats_Hospital.PDF
January 01, 2000 - 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 2000 - Hospital File 1
Means of Continuous Data Elements 10:14 Monday, May 1, 2006
please refer to the section on Description of Data Elements.
For more infor…
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hcup-us.ahrq.gov/reports/statbriefs/sb187-Hospital-Stays-Children-2012.jsp
December 01, 2014 - JAMA Pediatrics. 2013;167(2):170-7.
5 Ibid.
6 Elixhauser A.
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hcup-us.ahrq.gov/toolssoftware/comorbidityicd10/CMR-ChangeLog-v20241-v20251.xlsx
November 01, 2024 - Change Log (v2024.1 to v2025.1) for the Elixhauser Comorbidity Software Refined for ICD-10-CM
Table_of_Contents
This Excel file enumerates the changes between the following releases of the Elixhauser Comorbidity Software Refined for ICD-10-CM diagnoses
Compared versions: v2025.1 (released November 2024) to v2024.1 (…
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hcup-us.ahrq.gov/toolssoftware/chronic/chronic.jsp
July 01, 2025 - "Issues Involved in the Definition and Classification of Chronic Health Conditions," Pediatrics 91,
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hcup-us.ahrq.gov/reports/methods/2003_04.pdf
January 01, 2003 - HCUP_methods_series_cover.ai
HCUP Methods Series
kbr33831
Contact Information:
Healthcare Cost and Utilization Project (HCUP)
Agency for Healthcare Research and Quality
540 Gaither Road
Rockville, MD 20850
http://www.hcup-us.ahrq.gov
For Technical Assistance with HCUP Products:
Email: hcu…
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hcup-us.ahrq.gov/HCUP_Overview/HCUP_Overview/index508.jsp
September 01, 2025 - The New England Journal of Medicine (NEJM)
The Journal of the American Medical Association (JAMA)
Pediatrics … The NRD was created to enable analyses of national readmission rates for pediatrics and adults.
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hcup-us.ahrq.gov/reports/methods/2009_01.pdf
January 01, 2009 - Microsoft Word - 2009-01.doc
HCUP Methods Series
kbr33831
Contact Information:
Healthcare Cost and Utilization Project (HCUP)
Agency for Healthcare Research and Quality
540 Gaither Road
Rockville, MD 20850
http://www.hcup-us.ahrq.gov
For Technical Assistance with HCUP Products:
Email: hcup@ahrq…
-
hcup-us.ahrq.gov/reports/methods/2010_06.pdf
January 01, 2010 - Methods – Applying HCUP Quality Indicators
HCUP Methods Series
kbr33831
Contact Information:
Healthcare Cost and Utilization Project (HCUP)
Agency for Healthcare Research and Quality
540 Gaither Road
Rockville, MD 20850
http://www.hcup-us.ahrq.gov
For Technical Assistance with HCUP Products:
E…
-
hcup-us.ahrq.gov/db/nation/kid/kid_statelevelestimates.jsp
February 01, 2022 - "Can I use older years of the KID that include State identifiers to do State-level estimates?"
AHRQ strongly advises researchers against using the KID to estimate State-specific statistics. Prior to 2012, State is available as a KID data element. However, these KID samples were not designed to yield a representativ…
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hcup-us.ahrq.gov/db/nation/kid/DataElements_KID_2003_HOSPITAL.pdf
January 01, 2003 - Healthcare Cost and Utilization Project (HCUP) KID Description of Data Elements - Core Notes
Description of Data Elements
Kids' Inpatient Database (KID)
Hospital File
2003
This document contains cumulative descriptions of data elements across
years of HCUP data from 1988 to the curre…
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hcup-us.ahrq.gov/reports/statbriefs/sb127.pdf
February 01, 2012 - For pediatrics under 18 years old, the 30-day readmission rate following non-surgical hospitalizations
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hcup-us.ahrq.gov/reports/race/C18RECaseStudyReportforWEBfinal99.pdf
January 01, 2020 - Microsoft Word - C18RECaseStudyReportforWEBfinal99.docx
MAINTAIN AND EXPAND
THE HEALTHCARE COST AND UTILIZATION PROJECT (HCUP)
Contract No. HHSA-290-2006-00009-C
September 9, 2010
Prepared by:
Carrie Hanlon, MA and Susan Raetzman, MSPH
…
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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/reports/methods/2008_06_Addendum_to_MS-2008-06_fnl_072009.pdf
January 01, 2008 - Microsoft Word - Addendum to MS-2008-06_fnl 072009.doc
Addendum to Methods for HCUP Data July 20, 2009
in the 2008 NHDR
1
ADDENDUM TO
Methods Applying AHRQ Quality Indicators to Healthcare Cost and Utilization Project (HCUP)
Data for the Sixth (2008) National Healthcare Disparities Report.
http://ww…
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hcup-us.ahrq.gov/db/nation/kid/tools/stats/FileSpecifications_KID_2022_Hospital.TXT
January 01, 2022 - Data Set Name: KID_2022_HOSPITAL
Number of Observations: 3811
Total Record Length: 85
Total Number of Data Elements: 16
Created on 11/07/2024.
Columns Description
======= ===========
1- 3 Database name
5- 8 Discharge year of data
10- 35 File name
37- 40 Data element number
42- 70 …
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hcup-us.ahrq.gov/db/nation/nis/severity_overview.jsp
September 01, 2025 - Pediatrics 1999;103(1 Suppl E):302-18
Edwards N, Honemann D, Burley D, Navarro M.
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hcup-us.ahrq.gov/tech_assist/data_query/Methods_Community_Statistics20230207.pdf
December 01, 2022 - Calculating Community-Level Statistics for HCUPnet: Methods
1
Updated December 2022
CALCULATING COMMUNITY-LEVEL STATISTICS FOR HCUPNET: METHODS
This document provides details on the methods used to develop Community-Level Statistics
based on Agency for Healthcare Research and Quality (AHRQ) Healthcare Cos…
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hcup-us.ahrq.gov/db/nation/kid/reports/CalculatingKIDVariances.pdf
December 16, 2005 - Calculating Variances Using the 1999 Nationwide Inpatient Sample
December 16, 2005
Methods Series Report # 2005-5
Healthcare Cost and Utilization Project
Agency for Healthcare Research and Quality
540 Gaither Road
Rockville, MD 2085…
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hcup-us.ahrq.gov/db/nation/kid/Availability_of_KID_Data_Elements.pdf
June 13, 2008 - KIDvariables1997-2006forHCUP-US (2).xls
HCUP Data Element File(s) Coding Notes 1997 2000 2003 2006 HCUP Data Element
ADAYWK Core Admission day of week: (1) Sunday, (2) Monday,
(3) Tuesday, (4) Wednesday, etc. Yes -- -- -- ADAYWK
AGE Core Age in years at admission coded 0-124 years Yes Yes Yes Yes AGE
AGEDAY Core …
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hcup-us.ahrq.gov/db/nation/kid/tools/stats/FileSpecifications_KID_2016_Hospital.TXT
January 01, 2016 - Data Set Name: KID_2016_HOSPITAL
Number of Observations: 4200
Total Record Length: 85
Total Number of Data Elements: 16
Columns Description
======= ===========
1- 3 Database name
5- 8 Discharge year of data
10- 35 File name
37- 39 Data element number
41- 69 Data element name
71- …