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hcup-us.ahrq.gov/db/vars/dxver/kidnote.jsp
September 01, 2008 - Description of Data Elements
DXVER - Diagnosis codes ICD version indicator
Documentation … sources, this information was available on the data record; for others, this information came from file documentation
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hcup-us.ahrq.gov/db/vars/prver/kidnote.jsp
September 01, 2008 - Description of Data Elements
PRVER - Procedure codes ICD version indicator
Documentation … sources, this information was available on the data record; for others, this information came from file documentation
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hcup-us.ahrq.gov/db/vars/prver/nedsnote.jsp
May 01, 2015 - Description of Data Elements
PRVER - Procedure codes ICD version indicator
Documentation … sources, this information was available on the data record; for others, this information came from file documentation
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hcup-us.ahrq.gov/db/vars/dxver/nedsnote.jsp
May 01, 2015 - Description of Data Elements
DXVER - Diagnosis codes ICD version indicator
Documentation … sources, this information was available on the data record; for others, this information came from file documentation
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2005.jsp
January 01, 2005 - For full documentation and notification of changes,
visit the HCUP User Support Website at http:/ … Available online documentation and supporting files are detailed in Table 8. … The following tables are not complete documentation for the data. … All reports can be found on the NIS Database Documentation portion of the HCUP-US Website. … NIS Documentation
NIS documentation files on the HCUP-US Website ( http://www.hcup-us.ahrq.gov ) provide
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hcup-us.ahrq.gov/toolssoftware/comorbidityicd10/comorbidity_icd10.jsp
July 01, 2025 - and Other Resources
Data Elements Required for Input Dataset
Downloading Information for Tool and Documentation
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2020.jsp
January 01, 2020 - or documentation of a positive COVID-19 test result. … Please refer to detailed documentation before using the data. … The tables in Appendix III are not complete documentation for the data. … NIS Documentation
Year-specific NIS documentation files on the HCUP-US website ( www.hcup-us.ahrq.gov … or
documentation of a positive COVID-19 test result.
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hcup-us.ahrq.gov/db/vars/apsdrg_los_weight/nisnote.jsp
September 01, 2008 -
APSDRG_LOS_Weight - All-Payer Severity-adjusted DRG: Length of Stay Weight
Documentation … For more information, please refer to the following documents available on the NIS Documentation CD-ROM
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hcup-us.ahrq.gov/db/vars/apsdrg_mortality_weight/nisnote.jsp
September 01, 2008 -
APSDRG_Mortality_Weight - All-Payer Severity-adjusted DRG: Mortality Weight
Documentation … For more information, please refer to the following documents available on the NIS Documentation CD-ROM
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hcup-us.ahrq.gov/db/vars/apsdrg_charge_weight/nisnote.jsp
September 01, 2008 -
APSDRG_Charge_Weight - All-Payer Severity-adjusted DRG: Charge Weight
Documentation … For more information, please refer to the following documents available on the NIS Documentation CD-ROM
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hcup-us.ahrq.gov/db/vars/aprdrg_risk_mortality/nisnote.jsp
September 01, 2008 -
APRDRG_Risk_Mortality - All Patient Refined DRG: Risk of Mortality Subclass
Documentation … For more information, please refer to the following documents available on the NIS Documentation CD-ROM
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hcup-us.ahrq.gov/db/vars/ds_dx_category1/nisnote.jsp
September 01, 2008 - Elements
DS_DX_Category1 - Disease Staging: Principal Disease Category
Documentation … For more information, please refer to the following documents available on the NIS Documentation CD-ROM
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hcup-us.ahrq.gov/db/vars/ds_stage1/nisnote.jsp
September 01, 2008 - Elements
DS_Stage1 - Disease Staging: Stage of Principal Disease Category
Documentation … For more information, please refer to the following documents available on the NIS Documentation CD-ROM
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hcup-us.ahrq.gov/db/vars/ds_rd_scale/nisnote.jsp
September 01, 2008 - of Data Elements
DS_RD_Scale - Disease Staging: Resource Demand Scale
Documentation … For more information, please refer to the following documents available on the NIS Documentation CD-ROM
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hcup-us.ahrq.gov/db/vars/ds_mrt_scale/nisnote.jsp
September 01, 2008 - Description of Data Elements
DS_Mrt_Scale - Disease Staging: Mortality Scale
Documentation … For more information, please refer to the following documents available on the NIS Documentation CD-ROM
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hcup-us.ahrq.gov/db/vars/ds_los_scale/nisnote.jsp
September 01, 2008 - of Data Elements
DS_LOS_Scale - Disease Staging: Length of Stay Scale
Documentation … For more information, please refer to the following documents available on the NIS Documentation CD-ROM
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hcup-us.ahrq.gov/db/vars/neomat/nisnote.jsp
September 01, 2008 - Data Elements
NEOMAT - Neonatal and/or maternal ICD-9-CM DX and/or PR
Documentation … on coding is available in the report on HCUP Quality Control Procedures posted on all HCUP database documentation
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hcup-us.ahrq.gov/db/vars/aprdrg_severity/nrdnote.jsp
August 01, 2015 -
APRDRG_Severity - All Patient Refined DRG: Severity of Illness Subclass
Documentation … For more information, please refer to the following documents available on the NIS Documentation CD-ROM
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hcup-us.ahrq.gov/db/vars/aprdrg_risk_mortality/nrdnote.jsp
August 01, 2015 - APRDRG_Risk_Mortality - All Patient Refined DRG: Risk of Mortality Subclass
Documentation … For more information, please refer to the following documents available on the NIS Documentation CD-ROM
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hcup-us.ahrq.gov/db/vars/aprdrg_risk_mortality/kidnote.jsp
September 01, 2008 -
APRDRG_Risk_Mortality - All Patient Refined DRG: Risk of Mortality Subclass
Documentation … For more information, please refer to the following documents available on the NIS Documentation CD-ROM