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hcup-us.ahrq.gov/db/vars/pointoforiginub04/nisnote.jsp
October 04, 2025 - Healthcare Cost and Utilization Project (HCUP) NIS Notes
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hcup-us.ahrq.gov/db/vars/pointoforiginub04/kidnote.jsp
October 04, 2025 - Healthcare Cost and Utilization Project (HCUP) KID Notes
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hcup-us.ahrq.gov/reports/methods/2006_1.pdf
January 01, 2006 - explore more accurately, and address via, enhanced clinical knowledge of the POA in
administrative databases
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hcup-us.ahrq.gov/db/nation/nis/APS-Def_Public_v24.pdf
March 01, 2008 - ___APS-Def_Public.book
4 0 0 C a p i t a l B o u l e v a r d • R o c k y H i l l , C T 0 6 0 6 7 • 1 - 8 0 0 - 9 9 9 - 3 7 4 7
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hcup-us.ahrq.gov/datainnovations/Challenges_and_Opportunities_ICD10CMPCS.pdf
October 01, 2014 - Challenges and Opportunities with ICD-10-CM/PCS: Implications for Surgical Research Involving Administrative Data
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hcup-us.ahrq.gov/db/nation/nis/APS-DRGsDefManualV25Public.pdf
June 01, 2009 - ___APS-Def_Public.book
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hcup-us.ahrq.gov/datainnovations/clinicaldata/AHRQFINALREPORTVHI.pdf
December 01, 2009 - “ADDING CLINICAL DATA TO STATEWIDE
ADMINISTRATIVE DATA”
FINAL REPORT
VIRGINIA HEALTH INFORMATION
September 30th, 2009
______________________________________________________________________________________
Adding Clinical Data Final Report Form
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hcup-us.ahrq.gov/db/nation/nrd/Supp-AnalysisICD10Readmissions.xlsx
January 01, 2017 - Table of Contents
Table of Contents
This file includes supplemental detailed tables for the HCUP report, Impact of the ICD-10-CM/PCS Transition on Readmission Rates, 2015-2017.
Index counts and associated readmission estimates are suppressed if the number of index stays is less than 500. Readmission rates also are …
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hcup-us.ahrq.gov/reports/methods/2004CCSUserGuideFinal.pdf
September 01, 2004 - diagnoses and all-listed procedures from the Healthcare Cost
and Utilization Project State Inpatient Databases
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hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2021_IP.TXT
January 01, 2021 - Data Set Name: NEDS_2021_IP
Number of Observations: 4635917
Total Number of Data Elements: 370
Columns Description
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1 - 4 Database name
6 - 9 Discharge year of data
11 - 21 File name
23 - 25 Data element number
27 - 45 Data element name
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hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2020_IP.TXT
January 01, 2020 - Data Set Name: NEDS_2020_IP
Number of Observations: 4588116
Total Number of Data Elements: 370
Columns Description
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1 - 4 Database name
6 - 9 Discharge year of data
11 - 21 File name
23 - 25 Data element number
27 - 45 Data element name…
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hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2022_IP.TXT
January 01, 2022 - Data Set Name: NEDS_2022_IP
Number of Observations: 4726449
Total Number of Data Elements: 370
Columns Description
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1 - 4 Database name
6 - 9 Discharge year of data
11 - 21 File name
23 - 25 Data element number
27 - 45 Data element name
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hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2019_IP.TXT
January 01, 2019 - Data Set Name: NEDS_2019_IP
Number of Observations: 4743410
Total Number of Data Elements: 369
Columns Description
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1 - 4 Database name
6 - 9 Discharge year of data
11 - 21 File name
23 - 25 Data element number
27 - 45 Data element name
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hcup-us.ahrq.gov/toolssoftware/ccs/CCSUsersGuide.pdf
March 01, 2016 - diagnoses and all-listed procedures from the Healthcare Cost
and Utilization Project State Inpatient Databases
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hcup-us.ahrq.gov/db/nation/nis/APS_DRGsDefManualV26Public.pdf
April 01, 2010 - ___APS-DRG_Def.book
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hcup-us.ahrq.gov/db/nation/nis/APS-DRGsDefManualV27Public.pdf
April 01, 2010 - ___APS-Def_Public.book
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FOR PUBLIC USE
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hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2022_DX_PR_GRPS.TXT
January 01, 2022 - Data Set Name: NEDS_2022_DX_PR_GRPS
Number of Observations: 32298120
Total Number of Data Elements: 568
Columns Description
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1 - 4 Database name
6 - 9 Discharge year of data
11 - 21 File name
23 - 25 Data element number
27 - 45 Data element name
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hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2020_DX_PR_GRPS.TXT
January 01, 2020 - Data Set Name: NEDS_2020_DX_PR_GRPS
Number of Observations: 28037034
Total Number of Data Elements: 565
Columns Description
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1 - 4 Database name
6 - 9 Discharge year of data
11 - 21 File name
23 - 25 Data element number
27 - 45 Data element nam…
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hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2019_DX_PR_GRPS.TXT
January 01, 2019 - Data Set Name: NEDS_2019_DX_PR_GRPS
Number of Observations: 33147251
Total Number of Data Elements: 565
Columns Description
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1 - 4 Database name
6 - 9 Discharge year of data
11 - 21 File name
23 - 25 Data element number
27 - 45 Data element name
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hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2021_DX_PR_GRPS.TXT
January 01, 2021 - Data Set Name: NEDS_2021_DX_PR_GRPS
Number of Observations: 30099368
Total Number of Data Elements: 568
Columns Description
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1 - 4 Database name
6 - 9 Discharge year of data
11 - 21 File name
23 - 25 Data element number
27 - 45 Data element name
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