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hcup-us.ahrq.gov/db/nation/nis/NISChangesBeginningDataYr2016.pdf
September 01, 2022 - ......................................... 1
Revised File Structure of the NIS Beginning With Data Year … REVISED FILE STRUCTURE OF THE NIS BEGINNING WITH DATA YEAR 2016
Other than data year 2015, which was … into two parts because of the switch from ICD-9-CM
to ICD-10-CM/PCS coding, the NIS is an annual, calendar … year file. … Recommendations for Reporting Trends
Using ICD-9-CM and ICD-10-CM/PCS Data
These recommendations apply to calendar
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hcup-us.ahrq.gov/db/nation/nrd/stats/FileSpecifications_NRD_2015_Core.TXT
January 01, 2015 - 24
Columns Description
======== ===========
1 - 3 Database name
5 - 8 Discharge year … TOTCHG 10 Num Total charges (cleaned)
NRD 2015 NRD_2015_Core 23 YEAR … 4 Num Calendar year
NRD 2015 NRD_2015_Core 24 ZIPINC_QRTL
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hcup-us.ahrq.gov/db/state/siddist/siddist_filecompnd.jsp
August 01, 2025 - the SID and the number of hospitals reported in the AHA Annual Survey is available starting in data year … Hospitals do not always report data for a full calendar year. … Some hospitals open or close during the year; other hospitals have technical problems that prevent them … from reporting data for all months in a year.
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/1992-1988WTRECL.txt
January 01, 1992 - :Stratum used to post-stratify hospital
27 TOTDSCHG 163 168 Num H:Total hospital discharges
28 YEAR … 169 170 Num Calendar year
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1993_Design_Report.jsp
January 01, 1993 - The NIS, Release 1 covers calendar years 1988-1992. Release 2 covers calendar year 1993. … UNIVERSE
The hospital universe is defined by all hospitals that were open during any part of the calendar … during some part of the calendar year. … no more than 40 percent of the data provided by Illinois could be included in the database for any calendar … Number of Hospitals and Discharges in Longitudinal Cohort
Number of Years
Calendar Years
Longitudinal
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hcup-us.ahrq.gov/db/state/siddist/siddist_filecompin.jsp
September 01, 2024 - Not all hospitals report a full calendar year of data. … Some hospitals close during
the year; other hospitals have technical problems that prevent them from … reporting a
full year.
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2002_Design_Report.jsp
January 01, 2002 - Table 1: Number of NIS States, Hospitals, and Discharges, by Year
Calendar Year
States in … as long as they were in operation during some part of the calendar year. … ENDNOTES
Most AHA surveys do not cover a January-to-December calendar year for every hospital. … The numbers of hospitals for 1988-1991 are based on the HCUP calendar year version of the AHA Annual … Survey responses were converted to calendar year periods for 1988-1991 by merging data from adjacent
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2001_Design_Report.jsp
January 01, 2001 - The 2001 NIS includes data for calendar year 2001. … Table 1: Number of NIS States, Hospitals, and Discharges, by Year
Calendar Year
States in … during some part of the calendar year. … ENDNOTES
Most AHA surveys do not cover a January-to-December calendar year for every hospital. … The numbers of hospitals for 1988-1991 are based on the HCUP calendar year version of the AHA Annual
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hcup-us.ahrq.gov/db/state/siddist/siddist_filecompde.jsp
June 01, 2024 - SID and the number of hospitals reported in
the AHA Annual Survey is available starting in data year … Hospitals do not always report data for a full calendar year. … Some hospitals open or
close during the year; other hospitals have technical problems that prevent … them
from reporting data for all months in a year.
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2015_Core.TXT
January 01, 2015 - Elements: 24
Columns Description
======= ===========
1- 3 Database name
5- 8 Discharge year … 79 80 Num Transfer out indicator
NIS 2015 NIS_2015_Core 23 YEAR … 81 84 Num Calendar year
NIS 2015 NIS_2015_Core 24 ZIPINC_QRTL
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1999_HOSPITAL.TXT
January 01, 1999 - 23
Columns Description:
======= ============
1- 3 Database name
5- 8 Discharge year … 164 169 Num Total number of discharges from this hospital in the NIS
NIS 1999 HOSPITAL 23 YEAR … 170 173 Num Calendar Year
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1998_HOSPITAL.TXT
January 01, 1998 - 23
Columns Description:
======= ============
1- 3 Database name
5- 8 Discharge year … 164 169 Num Total number of discharges from this hospital in the NIS
NIS 1998 HOSPITAL 23 YEAR … 170 173 Num Calendar Year
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2001_HOSPITAL.TXT
January 01, 2001 - 23
Columns Description:
======= ============
1- 3 Database name
5- 8 Discharge year … 169 Num Total number of discharges from this hospital in the NIS
NIS 2001 HOSPITAL 23 YEAR … 170 173 Num Calendar Year
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1999_HOSPITALv2.TXT
January 01, 1999 - 23
Columns Description:
======= ============
1- 3 Database name
5- 8 Discharge year … 164 169 Num Total number of discharges from this hospital in the NIS
NIS 1999 HOSPITAL 23 YEAR … 170 173 Num Calendar Year
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2000_HOSPITAL.TXT
January 01, 2000 - 24
Columns Description:
======= ============
1- 3 Database name
5- 8 Discharge year … 179 Num Total number of discharges from this hospital in the NIS
NIS 2000 HOSPITAL 24 YEAR … 180 183 Num Calendar Year
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2005_Hospital.TXT
January 01, 2005 - Elements: 25
Columns Description:
======= ============
1- 3 Database name
5- 8 Discharge year … 176 181 Num Total number of discharges from this hospital in the NIS
NIS 2005 Hospital 25 YEAR … 182 185 Num Calendar Year
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2006_Hospital.TXT
January 01, 2006 - Elements: 25
Columns Description
======= ===========
1- 3 Database name
5- 8 Discharge year … 176 181 Num Total number of discharges from this hospital in the NIS
NIS 2006 Hospital 25 YEAR … 182 185 Num Calendar Year
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2004_HOSPITAL.TXT
January 01, 2004 - Variables: 25
Columns Description:
======= ============
1- 3 Database name
5- 8 Discharge year … 176 181 Num Total number of discharges from this hospital in the NIS
NIS 2004 Hospital 25 YEAR … 182 185 Num Calendar Year
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2003_HOSPITAL.TXT
January 01, 2003 - Variables: 24
Columns Description:
======= ============
1- 3 Database name
5- 8 Discharge year … 169 174 Num Total number of discharges from this hospital in the NIS
NIS 2003 HOSPITAL 24 YEAR … 175 178 Num Calendar Year
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2002_HOSPITAL.TXT
January 01, 2002 - Variables: 24
Columns Description:
======= ============
1- 3 Database name
5- 8 Discharge year … 169 174 Num Total number of discharges from this hospital in the NIS
NIS 2002 HOSPITAL 24 YEAR … 175 178 Num Calendar Year