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hcup-us.ahrq.gov/datainnovations/raceethnicitytoolkit/nm24.jsp
July 01, 2014 - liability Y N DK
Lack of funding to support the collection of this data Y N DK
Limitations
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hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2010-2018.jsp
January 01, 2018 - Frame
Discharge Weights
Post-Stratification for Weighting
Weighting
Final NRD Sample
Limitations … A multitude of research studies can be conducted with the data, but there are some limitations. … Limitations on Studying Pediatric Readmissions : The NRD excludes discharges for patients who were younger … Limitations from Using One Year of Discharge Data : The NRD is an annual file containing inpatient records … Limitations about Using More than One Year of the NRD : The 2010-2018 NRD cannot be combined across
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hcup-us.ahrq.gov/db/nation/neds/NEDS2015Introduction.pdf
December 01, 2017 - Any violation of the limitations in the Data Use Agreement is punishable under Federal law
by a fine … A multitude of research studies can be conducted with the data, but there are some
limitations. … Partner-Specific Restrictions
Confidentiality of Hospitals
Limitations on sampling to ensure hospital … Confidentiality of Records
Limitations on selected data elements to ensure patient confidentiality: … TABLE OF CONTENTS
SUMMARY OF DATA USE LIMITATIONS
HCUP CONTACT INFORMATION
WHAT IS THE NATIONWIDE
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hcup-us.ahrq.gov/db/nation/nass/2019_NASS_Introduction.pdf
January 01, 2019 - Computer Software for Weighted and Variance Calculations ................................. 24
4.7 Limitations … HCUP)" were used, including names of the specific databases used for analysis.b
Any violation of the limitations … Many research studies can be conducted with the data, but
some limitations should be considered:
The … Data Restrictions
Confidentiality of Hospitals
Limitations on sampling to ensure hospital confidentiality … Confidentiality of Records
Limitations on selected data elements to ensure patient confidentiality:
-
hcup-us.ahrq.gov/db/nation/nass/2018_NASS_Introduction.pdf
January 01, 2018 - Computer Software for Weighted and Variance Calculations ................................ 24
4.7 Limitations … HCUP)" were used, including names of the specific databases used for analysis.c
Any violation of the limitations … Many research studies can be conducted with the data, but
some limitations should be considered:
For … Data Restrictions
Confidentiality of Hospitals
Limitations on sampling to ensure hospital confidentiality … Confidentiality of Records
Limitations on selected data elements to ensure patient confidentiality:
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hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2016.jsp
January 01, 2016 - 2016
HCUP NATIONWIDE EMERGENCY DEPARTMENT SAMPLE (NEDS)
SUMMARY OF DATA USE LIMITATIONS … Any violation of the limitations in the Data Use Agreement is punishable under Federal law by a fine … A multitude of research studies can be conducted with the data, but there are some limitations. … Partner-Specific Restrictions
Confidentiality of Hospitals
Limitations on sampling to ensure … Confidentiality of Records
Limitations on selected data elements to ensure patient confidentiality
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hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2017.jsp
January 01, 2017 - 2017
HCUP NATIONWIDE EMERGENCY DEPARTMENT SAMPLE (NEDS)
SUMMARY OF DATA USE LIMITATIONS … were used, including names of the specific databases used for analysis. c
Any violation of the limitations … A multitude of research studies can be conducted with the data, but there are some limitations. … Partner-Specific Restrictions
Confidentiality of Hospitals
Limitations on sampling to ensure … Confidentiality of Records
Limitations on selected data elements to ensure patient confidentiality
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hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2014.jsp
January 01, 2014 - 2014
HCUP NATIONWIDE EMERGENCY DEPARTMENT SAMPLE (NEDS)
SUMMARY OF DATA USE LIMITATIONS … Any violation of the limitations in the Data Use Agreement is punishable under Federal law by a fine … A multitude of research studies can be conducted with the data, but there are some limitations. … Partner-Specific Restrictions
Confidentiality of Hospitals
Limitations on sampling to ensure … Confidentiality of Records
Limitations on selected data elements to ensure patient confidentiality
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hcup-us.ahrq.gov/pdf/HCUP-State-Data-Re-use-Application-Kit.pdf
May 31, 2025 - Limitations on Data Use, Sharing, and Disclosure
• I will not use or disclose and I will prohibit others
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hcup-us.ahrq.gov/datainnovations/raceethnicitytoolkit/or26.pdf
June 01, 2012 - Discussion & Limitations
(slides 28-30) Our assessment of death certificates in Washington state has … make AI/AN rates unstable
• Death certificate data does not answer
the “why” questions
Limitations
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hcup-us.ahrq.gov/datainnovations/raceethnicitytoolkit/or22.jsp
July 01, 2014 - Limitations
Small numbers, unstable rate estimates
Linkage data source does not represent entire
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hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2020.jsp
January 01, 2020 - Values
4.5 Variance Calculations
4.6 Computer Software for Weighted and Variance Calculations
4.7 Limitations … were used, including names of the specific databases used for analysis. b
Any violation of the limitations … Many research studies can be conducted with the data, but some limitations should be considered:
The … Data Restrictions
Confidentiality of Hospitals
Limitations on sampling to ensure hospital … Confidentiality of Records
Limitations on selected data elements to ensure patient confidentiality
-
hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2018.jsp
January 01, 2018 - Values
4.5 Variance Calculations
4.6 Computer Software for Weighted and Variance Calculations
4.7 Limitations … were used, including names of the specific databases used for analysis. c
Any violation of the limitations … Many research studies can be conducted with the data, but some limitations should be considered: … Data Restrictions
Confidentiality of Hospitals
Limitations on sampling to ensure hospital … Confidentiality of Records
Limitations on selected data elements to ensure patient confidentiality
-
hcup-us.ahrq.gov/reports/methods/2018-02.pdf
January 01, 2018 - medicaid-enrollment-by-age
HCUP (09/18/2018) 23 Methods Series Report:
CHIP and Medicaid Payer Coding
limitations
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hcup-us.ahrq.gov/datainnovations/clinicalcontentenhancementtoolkit/hi7.jsp
July 01, 2016 - ASCII Implementation Guide.
An official website of the Department of Health & Human Services
Search All AHRQ Websites
Careers
Contact Us
Espanol
FAQs
Email Updates
…
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hcup-us.ahrq.gov/DUA/dua_508/DUA508version.jsp
July 01, 2025 - DUA Training - Accessible Version
An official website of the Department of Health & Human Services
Search All AHRQ Websites
Careers
Contact Us
Espanol
FAQs
Email Updates
…
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hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2019.jsp
January 01, 2019 - Values
4.5 Variance Calculations
4.6 Computer Software for Weighted and Variance Calculations
4.7 Limitations … were used, including names of the specific databases used for analysis. b
Any violation of the limitations … Many research studies can be conducted with the data, but some limitations should be considered:
The … Data Restrictions
Confidentiality of Hospitals
Limitations on sampling to ensure hospital … Confidentiality of Records
Limitations on selected data elements to ensure patient confidentiality
-
hcup-us.ahrq.gov/toolssoftware/ccs_svcsproc/ccscpt_license.jsp;jsessionid=7F297321DB28CCBAD4980C646E6051C5
January 01, 2019 - HCUP-US Tools & Software Page CCS-Services and Procedures License Agreement
End User Agreement:
LICENSE FOR USE OF CURRENT PROCEDURAL TERMINOLOGY, FOURTH EDITION (CPT®)
CPT only copyright 2019 American Medical Association. All rights reserved. CPT is a registered trademark of the American Medica…
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hcup-us.ahrq.gov/toolssoftware/ccs_svcsproc/ccscpt_license.jsp;jsessionid=D1487F849E6186F977DD51D71C868055
January 01, 2019 - HCUP-US Tools & Software Page CCS-Services and Procedures License Agreement
End User Agreement:
LICENSE FOR USE OF CURRENT PROCEDURAL TERMINOLOGY, FOURTH EDITION (CPT®)
CPT only copyright 2019 American Medical Association. All rights reserved. CPT is a registered trademark of the American Medica…
-
hcup-us.ahrq.gov/toolssoftware/ccs_svcsproc/ccscpt_license.jsp;jsessionid=A9259D605B0BCAD62FD96EA5273A278A
January 01, 2019 - HCUP-US Tools & Software Page CCS-Services and Procedures License Agreement
End User Agreement:
LICENSE FOR USE OF CURRENT PROCEDURAL TERMINOLOGY, FOURTH EDITION (CPT®)
CPT only copyright 2019 American Medical Association. All rights reserved. CPT is a registered trademark of the American Medica…