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In most data years, the NRD is comprised of the core data file and three additional files, in comma-separated values (CSV) format: Hospital File, Severity Measures File, and Diagnosis and Procedure Groups File. The Diagnosis and Procedure Groups File is not available for data years 2016-2017. The following links provide file specifications for the NRD including the dataset name, number of records, and record layout. |
2021 NRDCore File
Hospital File
Severity Measure File
Diagnosis and Procedure Groups File
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2020 NRDCore File
Hospital File
Severity Measure File
Diagnosis and Procedure Groups File
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2019 NRDCore File
Hospital File
Severity Measure File
Diagnosis and Procedure Groups File
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2018 NRDCore File
Hospital File
Severity Measure File
Diagnosis and Procedure Groups File
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2017 NRDCore File
Hospital File
Severity Measure File
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2016 NRDCore File
Hospital File
Severity Measure File
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2015 NRDCore File
Hospital File
Severity Measure File for Discharge Quarters 1-3 (ICD-9-CM)
Severity Measure File for Discharge Quarter 4 (ICD-10-CM/PCS)
Diagnosis and Procedure Groups File for Discharge Quarters 1-3 (ICD-9-CM)
Diagnosis and Procedure Groups File for Discharge Quarter 4 (ICD-10-CM/PCS)
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2014 NRDCore File
Hospital File
Severity Measure File
Diagnosis and Procedure Groups File
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2013 NRDCore File
Hospital File
Severity Measure File
Diagnosis and Procedure Groups File
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2012 NRDCore File
Hospital File
Severity Measure File
Diagnosis and Procedure Groups File
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2011 NRDCore File
Hospital File
Severity Measure File
Diagnosis and Procedure Groups File
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2010 NRDCore File
Hospital File
Severity Measure File
Diagnosis and Procedure Groups File
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| Internet Citation: NRD File Specifications. Healthcare Cost and Utilization Project (HCUP). March 2024. Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/db/nation/nrd/nrdfilespecs.jsp. |
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| Last modified 03/20/24 |
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