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hcup-us.ahrq.gov/db/state/siddist/siddistvarnote2010.jsp
May 01, 2020 - Reports & Publications
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Home
About … HCUP Supplemental Files
NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level … Reports Archive
DATA VISUALIZATIONS
DATA QUERY TOOLS … Central Distributor SID: Availability of Data Elements
HCUP State Inpatient Databases … coding practices, click on the data element.
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hcup-us.ahrq.gov/db/state/siddist/siddistvarnote2012.jsp
May 01, 2020 - Reports & Publications
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About … HCUP Supplemental Files
NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level … Reports Archive
DATA VISUALIZATIONS
DATA QUERY TOOLS … Central Distributor SID: Availability of Data Elements
HCUP State Inpatient Databases … coding practices, click on the data element.
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hcup-us.ahrq.gov/db/vars/pointoforiginub04/nisnote.jsp
October 04, 2025 - Reports & Publications
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Home
About … HCUP Supplemental Files
NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level … Reports Archive
DATA VISUALIZATIONS
DATA QUERY TOOLS … In the National (Nationwide) Inpatient Sample (NIS), the HCUP data elements for the patient's point of … in the Same Facility Resulting in a Separate Claim to the Payer
D
Transfer from Hospital Inpatient
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hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2014_MaskedStats_Core.PDF
January 01, 2014 - 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 2014 … section on Description of Data Elements. … 1.11
DISP_ED : Disposition of patient (uniform) from ED 31,026,417 0 1.00 99.00 2.46 4.67
DQTR : Discharge … 395,144 1.27
6: Home health care 48,790 0.16
7: Against medical advice 476,225 1.53
9: Admitted as an inpatient
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hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2006v2_MaskedStats_Core_Weighted.PDF
January 01, 2019 - of Data Elements. … of Data Elements. … 1681457 1.40
6: Home health care 53123 0.04
7: Against medical advice 1579746 1.32
9: Admitted as an inpatient … Summary
Statistics
Print
Data Set WORK.AGE_FREQS
Print
Data Set WORK.AMONTH_FREQS
Print
Data … Print
Data Set WORK.NDX_FREQS
Print
Data Set WORK.NECODE_FREQS
Print
Data Set WORK.PAY1_FREQS
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hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2006_MaskedStats_Core_Weighted.PDF
January 01, 2006 - of Data Elements. … of Data Elements. … 1527869 1.27
6: Home health care 52167 0.04
7: Against medical advice 1669769 1.39
9: Admitted as an inpatient … Summary
Statistics
Print
Data Set WORK.AGE_FREQS
Print
Data Set WORK.AMONTH_FREQS
Print
Data … Print
Data Set WORK.NDX_FREQS
Print
Data Set WORK.NECODE_FREQS
Print
Data Set WORK.PAY1_FREQS
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hcup-us.ahrq.gov/db/state/siddist/siddistvarnote2011.jsp
March 01, 2013 - Reports & Publications
Data Visualizations
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Home
About … HCUP Supplemental Files
NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level … Reports Archive
DATA VISUALIZATIONS
DATA QUERY TOOLS … Central Distributor SID: Availability of Data Elements
HCUP State Inpatient Databases … coding practices, click on the data element.
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hcup-us.ahrq.gov/db/state/siddist/siddistvarnote2013.jsp
May 01, 2020 - Reports & Publications
Data Visualizations
Data Query Tools
Home
About … HCUP Supplemental Files
NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level … Reports Archive
DATA VISUALIZATIONS
DATA QUERY TOOLS … Central Distributor SID: Availability of Data Elements
HCUP State Inpatient Databases … coding practices, click on the data element.
-
hcup-us.ahrq.gov/reports/methods/2010_04.pdf
January 01, 2010 - Researchers and
policymakers use the SASD-CD to compare inpatient surgery data with ambulatory surgery … It is also important to recognize that the facility and discharge totals might
possibly double-count … The SASD-CD uses
discharge-level data and does not rely on surveys with aggregate counts provided on … Eventually they became a means to
calculate diagnosis related groups (DRGs) for inpatient prospective … -CM procedure codes are used to classify surgical procedures and some diagnostic
procedures in the inpatient
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hcup-us.ahrq.gov/reports/methods/2009_03.pdf
January 01, 2009 - Researchers and
policymakers use the SASD-CD to compare inpatient surgery data with ambulatory surgery … It is also important to recognize that the facility and discharge totals might
possibly double-count … The SASD-CD uses
discharge-level data and does not rely on surveys with aggregate counts provided on … Eventually they became a means to
calculate diagnosis related groups (DRGs) for inpatient prospective … -CM procedure codes are used to classify surgical procedures and some diagnostic
procedures in the inpatient
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2006_MaskedStats_Core_Weighted.PDF
January 01, 2006 - of Data Elements. … nursing facility 2709651 6.87
4: Intermediate facility 255027 0.65
5: Another type of facility (for inpatient … of Data Elements. … Frequency Distribution for DRG24
DRG24 Frequency
Percent
of
Total
469: PRINCIPAL DIAGNOSIS INVALID AS DISCHARGE … Data Set WORK.NPR_FREQS
The Print Procedure
Data Set WORK.PAY1_FREQS
The Print Procedure
Data
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1999_SummaryStats_CORE10A.pdf
January 01, 1999 - 51.00 2.20 3.37
DISPUNIFORM : Disposition of patient (uniform) 719506 387 1.00 20.00 2.30 3.31
DQTR : Discharge … quarter 719893 0 1.00 4.00 2.49 1.12
DRG : DRG in effect on discharge date 719893 0 1.00 511.00 262.19 … 137.95
DRG18 : DRG, version 18 719893 0 1.00 511.00 262.17 142.30
DRGVER : DRG grouper version used on discharge … 4.69 6.89
LOS_X : Length of stay (uncleaned) 719891 2 0.00 3421.00 4.72 9.32
MDC : MDC in effect on discharge … Skilled Nursing Facility 40359 5.61
4: Intermediate Facility 7544 1.05
5: Another Type of Facility (for inpatient
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1999_SummaryStats_CORE10B.PDF
January 01, 1999 - 51.00 2.19 3.36
DISPUNIFORM : Disposition of patient (uniform) 719572 321 1.00 20.00 2.30 3.30
DQTR : Discharge … quarter 719893 0 1.00 4.00 2.49 1.12
DRG : DRG in effect on discharge date 719893 0 1.00 511.00 262.39 … 138.05
DRG18 : DRG, version 18 719893 0 1.00 511.00 262.36 142.44
DRGVER : DRG grouper version used on discharge … 4.69 6.96
LOS_X : Length of stay (uncleaned) 719892 1 0.00 3172.00 4.73 10.40
MDC : MDC in effect on discharge … Skilled Nursing Facility 40601 5.64
4: Intermediate Facility 7665 1.06
5: Another Type of Facility (for inpatient
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1998_SummaryStats_CORE10B.PDF
January 01, 1998 - 51.00 2.18 3.29
DISPUNIFORM : Disposition of patient (uniform) 682371 364 1.00 20.00 2.32 3.32
DQTR : Discharge … quarter 682735 0 1.00 4.00 2.49 1.12
DRG : DRG in effect on discharge date 682735 0 1.00 511.00 261.81 … 138.19
DRG18 : DRG, version 18 682735 0 1.00 511.00 261.82 142.60
DRGVER : DRG grouper version used on discharge … 6.82
LOS_X : Length of stay (uncleaned) 682734 1 -183.00 4572.00 4.81 12.50
MDC : MDC in effect on discharge … Skilled Nursing Facility 40629 5.95
4: Intermediate Facility 5901 0.86
5: Another Type of Facility (for inpatient
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1998_SummaryStats_CORE10A.PDF
January 01, 1998 - 51.00 2.19 3.31
DISPUNIFORM : Disposition of patient (uniform) 682336 399 1.00 20.00 2.32 3.32
DQTR : Discharge … quarter 682735 0 1.00 4.00 2.49 1.12
DRG : DRG in effect on discharge date 682735 0 1.00 511.00 262.13 … 138.02
DRG18 : DRG, version 18 682735 0 1.00 511.00 262.14 142.40
DRGVER : DRG grouper version used on discharge … 6.81
LOS_X : Length of stay (uncleaned) 682735 0 -1.00 2746.00 4.79 10.98
MDC : MDC in effect on discharge … Skilled Nursing Facility 40830 5.98
4: Intermediate Facility 6044 0.89
5: Another Type of Facility (for inpatient
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hcup-us.ahrq.gov/db/state/siddist/siddistvarnote2014.jsp
May 01, 2020 - Reports & Publications
Data Visualizations
Data Query Tools
Home
About … HCUP Supplemental Files
NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level … Reports Archive
DATA VISUALIZATIONS
DATA QUERY TOOLS … Central Distributor SID: Availability of Data Elements
HCUP State Inpatient Databases … coding practices, click on the data element.
-
hcup-us.ahrq.gov/reports/methods/2008_08.pdf
January 01, 2008 - All three
databases contain only summarized, facility-level data; none contains visit-level data. … the 1,806 facilities matched to the AHA file.12
It is important to recognize that the facility and discharge … The SASD-CD
uses discharge-level data and does not rely on surveys like the AHA and FOSC. … Eventually they became a means to
calculate diagnosis related groups (DRGs) for inpatient prospective … -CM procedure codes are used to classify surgical procedures and some diagnostic
procedures in the inpatient
-
hcup-us.ahrq.gov/reports/methods/2006_10.pdf
January 01, 2006 - All three
databases contain only summarized, facility-level data; none contains visit-level data. … It is important to recognize that the facility and discharge totals might possibly double- or even
triple-count … Eventually they became a means to
calculate diagnosis related groups (DRGs) for inpatient prospective … -CM procedure codes are used to classify surgical procedures and some diagnostic
procedures in the inpatient … Visit Level Data
2001 HCUP State Ambulatory Surgery Databases (SASD)
Facility Level Data
American
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hcup-us.ahrq.gov/reports/methods/2007_04.pdf
January 01, 2007 - All three
databases contain only summarized, facility-level data; none contains visit-level data. … It is important to recognize that the facility and discharge totals might possibly double- or even
triple-count … Eventually they became a means to
calculate diagnosis related groups (DRGs) for inpatient prospective … -CM procedure codes are used to classify surgical procedures and some diagnostic
procedures in the inpatient … Visit Level Data
2001 HCUP State Ambulatory Surgery Databases (SASD)
Facility Level Data
American
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hcup-us.ahrq.gov/db/state/siddist/siddistvarnote2015.jsp
May 01, 2020 - Reports & Publications
Data Visualizations
Data Query Tools
Home
About … HCUP Supplemental Files
NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level … Reports Archive
DATA VISUALIZATIONS
DATA QUERY TOOLS … Central Distributor SID: Availability of Data Elements
HCUP State Inpatient Databases … coding practices, click on the data element.