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hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2004_SummaryStats_SEVERITY.PDF
January 01, 2004 - 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 2004 - SEVERITY File 1
Means of Continuous Data Elements 17:59 Thursday, August 31, 2006
please refer to the section on Description of Data Elements.
For more…
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2003_SummaryStats_10PCT_SEVERITY_B.PDF
January 01, 2003 - 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 2003 - 10PCT_SEVERITY_B File 1
Means of Continuous Data Elements 14:47 Friday, June 3, 2005
please refer to the section on Description of Data Elements.
For m…
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2002_SummaryStats_SEVERITY.PDF
January 01, 2002 - 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 2002 - SEVERITY File 1
Means of Continuous Data Elements 16:36 Tuesday, June 7, 2005
please refer to the section on Description of Data Elements.
For more inf…
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2005_SummaryStats_SEVERITY.PDF
January 01, 2005 - 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 2005 - SEVERITY File 1
Means of Continuous Data Elements 18:44 Thursday, June 14, 2007
please refer to the section on Description of Data Elements.
For more i…
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2003_SummaryStats_SEVERITY.PDF
January 01, 2003 - 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 2003 - SEVERITY File 1
Means of Continuous Data Elements 16:25 Friday, June 3, 2005
please refer to the section on Description of Data Elements.
For more info…
-
hcup-us.ahrq.gov/db/vars/pointoforiginub04/nisnote.jsp
October 04, 2025 - 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/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…
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hcup-us.ahrq.gov/db/nation/nrd/stats/FileSpecifications_NRD_2022_DX_PR_GRPS.TXT
January 01, 2022 - Data Set Name: NRD_2022_DX_PR_GRPS
Created on 11/06/2024
Number of Observations: 16517253
Total Number of Data Elements: 922
Columns Description
======== ===========
1 - 3 Database name
5 - 8 Discharge year of data
10 - 35 File name
37 - 40 Data element number
42 - 70 Data …
-
hcup-us.ahrq.gov/db/nation/nrd/stats/FileSpecifications_NRD_2021_DX_PR_GRPS.TXT
January 01, 2021 - Data Set Name: NRD_2021_DX_PR_GRPS
Created on 12/29/2023
Number of Observations: 16805508
Total Number of Data Elements: 922
Columns Description
======== ===========
1 - 3 Database name
5 - 8 Discharge year of data
10 - 35 File name
37 - 40 Data element number
42 - 70 Data …
-
hcup-us.ahrq.gov/db/nation/nrd/stats/FileSpecifications_NRD_2020_DX_PR_GRPS.TXT
January 01, 2020 - Data Set Name: NRD_2020_DX_PR_GRPS
Created on 11/23/2022
Number of Observations: 16692694
Total Number of Data Elements: 919
Columns Description
======== ===========
1 - 3 Database name
5 - 8 Discharge year of data
10 - 35 File name
37 - 40 Data element number
42 - …
-
hcup-us.ahrq.gov/db/nation/nrd/stats/FileSpecifications_NRD_2019_DX_PR_GRPS_V2.TXT
January 01, 2019 - Data Set Name: NRD_2019_DX_PR_GRPS
Created on 11/30/2022
Number of Observations: 18132856
Total Number of Data Elements: 918
Columns Description
======== ===========
1 - 3 Database name
5 - 8 Discharge year of data
10 - 35 File name
37 - 40 Data element number
42 - …
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2019_DX_PR_GRPS_V2.TXT
January 01, 2019 - Data Set Name: NIS_2019_DX_PR_GRPS
Number of Observations: 7083805
Total Record Length: 1026
Total Number of Data Elements: 918
Created on 12/02/2022.
Columns Description
======= ===========
1- 3 Database name
5- 8 Discharge year of data
10- 35 File name
37- 40 Data elemen…
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2021_DX_PR_GRPS.TXT
January 01, 2021 - Data Set Name: NIS_2021_DX_PR_GRPS
Number of Observations: 6666752
Total Record Length: 1030
Total Number of Data Elements: 922
Created on 12/22/2023.
Columns Description
======= ===========
1- 3 Database name
5- 8 Discharge year of data
10- 35 File name
37- 40 Data element number
42-…
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2022_DX_PR_GRPS.TXT
January 01, 2022 - Data Set Name: NIS_2022_DX_PR_GRPS
Number of Observations: 6578372
Total Record Length: 1030
Total Number of Data Elements: 922
Created on 10/15/2024.
Columns Description
======= ===========
1- 3 Database name
5- 8 Discharge year of data
10- 35 File name
37- 40 Data element number
42-…
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2020_DX_PR_GRPS_V2.TXT
January 01, 2020 - Data Set Name: NIS_2020_DX_PR_GRPS
Number of Observations: 6471165
Total Record Length: 1027
Total Number of Data Elements: 919
Created on 12/01/2022.
Columns Description
======= ===========
1- 3 Database name
5- 8 Discharge year of data
10- 35 File name
37- 40 Data elemen…
-
hcup-us.ahrq.gov/db/nation/kid/tools/stats/FileSpecifications_KID_2019_DX_PR_GRPS_V2.TXT
January 01, 2019 - Data Set Name: KID_2019_DX_PR_GRPS
Number of Observations: 3089283
Total Record Length: 978
Total Number of Data Elements: 897
Created on 12/02/2022.
Columns Description
======= ===========
1- 3 Database name
5- 8 Discharge year of data
10- 35 File name
37- 40 Data element…
-
hcup-us.ahrq.gov/db/nation/kid/tools/stats/FileSpecifications_KID_2022_DX_PR_GRPS.TXT
January 01, 2022 - Data Set Name: KID_2022_DX_PR_GRPS
Number of Observations: 3009812
Total Record Length: 982
Total Number of Data Elements: 901
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- …
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2008_MaskedStats_Severity.PDF
January 01, 2008 - 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 2008 - Severity File
10:20 Monday, May 24, 2010 1
Means of Continuous Data Elements
please refer to the section on Description of Data Elements.
For more info…
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2009_MaskedStats_Severity.PDF
January 01, 2009 - 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 2009 - Severity File 19:13 Monday, May 16, 2011 1
Means of Continuous Data Elements
please refer to the section on Description of Data Elements.
For more infor…
-
hcup-us.ahrq.gov/db/nation/kid/tools/stats/KID_2009_MaskedStats_Severity.PDF
January 01, 2009 - 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 2009 - Severity File
12:46 Wednesday, May 18, 2011 1
Means of Continuous Data Elements
please refer to the section on Description of Data Elements.
For more i…