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hcup-us.ahrq.gov/nisoverview.jsp
September 01, 2025 - On October 1, 2015, hospital administrative data began using ICD-10-CM/PCS, so the first nine months … of 2015 contain ICD-9-CM codes and the last three months contain ICD-10-CM/PCS codes.
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hcup-us.ahrq.gov/db/nation/nrd/nrddde.jsp
May 01, 2024 - also is signaled by a change in the NRD file structure:
The 2015 NRD included nine months … of data with ICD-9-CM coding and three months of data with ICD-10-CM/PCS coding because of the mid-year
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hcup-us.ahrq.gov/db/state/sedddist/sedddist_filecompsc.jsp
March 01, 2007 - close during the year; others have technical problems that prevent them from reporting data for all months
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hcup-us.ahrq.gov/db/state/sedddist/sedddist_filecompnj.jsp
March 01, 2007 - close during the year; others have technical problems that prevent them from reporting data for all months
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hcup-us.ahrq.gov/db/state/sedddist/sedddist_filecompny.jsp
September 01, 2013 - close during the year; others have technical problems that prevent them from reporting data for all months
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hcup-us.ahrq.gov/db/state/sedddist/sedddist_filecompca.jsp
August 01, 2012 - close during the year; others have technical problems that prevent them from reporting data for all months
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hcup-us.ahrq.gov/db/state/sedddist/sedddist_filecompky.jsp
August 01, 2012 - close during the year; others have technical problems that prevent them from reporting data for all months
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hcup-us.ahrq.gov/db/state/sedddist/sedddist_filecompvt.jsp
March 01, 2007 - close during the year; others have technical problems that prevent them from reporting data for all months
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hcup-us.ahrq.gov/datainnovations/clinicalcontentenhancementtoolkit/mn16.jsp
August 01, 2014 - Patient Level Data
Provide between 6 to 12 months of all inpatient discharges excluding newborns
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hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2019.jsp
January 01, 2019 - Revision, Clinical Modification (ICD-9-CM) codes and the last 3 months contain ICD-10-CM/PCS codes. … of the data with ICD-9-CM codes (January 1, 2015 to September 30, 2015)
Three months of data with … Deciding which discharge months should be included when qualifying an index event depends on (1) the … All-cause readmissions: Use discharge months of January through December. … All-cause readmissions: Use discharge months of January through October.
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hcup-us.ahrq.gov/reports/statbriefs/sb139.pdf
July 25, 2012 - was a significant rise in
the percent of kidney stone-
related disease ED visits during
the hottest months … There were significantly more
ED visits during the hottest months of year, July and August.
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hcup-us.ahrq.gov/db/state/sedddist/sedddist_filecompmn.jsp
November 01, 2016 - close during the year; others have technical problems that prevent them from reporting data for all months
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hcup-us.ahrq.gov/db/state/sedddist/sedddist_filecompwi.jsp
June 01, 2007 - close during the year; others have technical problems that prevent them from reporting data for all months
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hcup-us.ahrq.gov/db/state/sedddist/sedddist_filecomput.jsp
August 01, 2006 - close during the year; others have technical problems that prevent them from reporting data for all months
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hcup-us.ahrq.gov/db/state/siddist/siddist_filecompia.jsp
August 01, 2006 - during the year; other hospitals have technical problems that prevent them from reporting data for all months
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hcup-us.ahrq.gov/db/nation/nrd/NRDIntroduction2021.pdf
March 01, 2024 - o In data year 2015, the first 9 months of the NRD contain International
Classification of Diseases, … Ninth Revision, Clinical Modification (ICD-9-CM)
codes and the last 3 months contain ICD-10-CM/PCS … Deciding which discharge months should be included when qualifying an index event depends
on (1) the … o All-cause readmissions: Use discharge months of January through December. … o All-cause readmissions: Use discharge months of January through October.
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hcup-us.ahrq.gov/reports.jsp
May 01, 2022 - Favorites
Statistical Briefs
HCUP Statistical Briefs are simple, descriptive reports on a variety of specific healthcare related issues.
Summary Trend Tables
HCUP Summary Trend Tables provide State-specific monthly trends in hospital utilization accessed through downloadable tables.
F…
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hcup-us.ahrq.gov/reports/statbriefs/sb147.pdf
March 01, 2012 - In both years, influenza activity was at its lowest
in the late spring and summer months (April to August
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hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2019.pdf
January 01, 2019 - o In data year 2015, the first 9 months of the NRD contain International
Classification of Diseases, … Ninth Revision, Clinical Modification (ICD-9-CM)
codes and the last 3 months contain ICD-10-CM/PCS … Deciding which discharge months should be included when qualifying an index event depends
on (1) the … HCUP (10/20/2021) 24 NRD Introduction
o All-cause readmissions: Use discharge months of January … o All-cause readmissions: Use discharge months of January through October.
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2016.jsp
January 01, 2016 - 2015, hospital administrative data in the United States began using ICD-10-CM/PCS, so the first nine months … of 2015 contain ICD-9-CM codes and the last three months contain ICD-10-CM/PCS. … of the data with ICD-9-CM codes (January 1, 2015 to September 30, 2015)
Three months of data with … Two Diagnosis and Procedure Groups Files for the 2015 NIS
Nine months of the 2015 data with ICD … Three months of 2015 data with data elements based on ICD-10-CM/PCS codes (discharges from October 1,