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Showing results for "unique".

1. Healthcare Cost and Utilization Project (HCUP) NIS Notes
   hcup-us.ahrq.gov/db/vars/key/nisnote.jsp
   September 01, 2008 - KEY is a unique record identifier and not a person identifier. … KEY is included as the unique record number for the 2000 KID. … RECNUM is the unique record number for the 1997 KID, 2003 KID, and subsequent years. … Top   Uniform Values Variable Description Value Value Description KEY Unique record … identifier Prior to 2011: 14(n), starting in 2011: 15(n) Unique record identifier   Top

2. Healthcare Cost and Utilization Project (HCUP) KID Notes
   hcup-us.ahrq.gov/db/vars/key/kidnote.jsp
   September 01, 2008 - KEY is a unique record identifier and not a person identifier. … KEY is included as the unique record number for the 2000 KID. … RECNUM is the unique record number for the 1997 KID, 2003 KID, and subsequent years. … Top   Uniform Values Variable Description Value Value Description KEY Unique record … identifier Prior to 2011: 14(n), starting in 2011: 15(n) Unique record identifier   Top

3. Healthcare Cost and Utilization Project (HCUP) KID Notes
   hcup-us.ahrq.gov/db/vars/recnum/kidnote.jsp
   September 01, 2008 - General Notes Uniform Values State Specific Notes General Notes   RECNUM contains a unique … KEY is included as the unique record number for the 2000 KID. … RECNUM is the unique record number for the 1997 KID, 2003 KID, and subsequent years.   … Uniform Values Variable Description Value Value Description RECNUM HCUP record number 8(n) Unique

4. Introduction to the SID (pdf file)
   hcup-us.ahrq.gov/db/state/siddist/Introduction_to_SID.pdf
   January 01, 2025 - Researchers and policymakers use SID to investigate questions unique to one State; to compare data from … The HCUP unique record identifier (KEY) provides the linkage between the Core files and the Diagnosis … The HCUP unique record identifier (KEY) provides the linkage between the Core files and the Diagnosis … The HCUP unique record identifier (KEY) provides the linkage between the Core files and the Disease … The HCUP unique record identifier (KEY) provides the linkage between the Core files and the Disease

5. INTRODUCTION TO THE HCUP STATE INPATIENT DATABASES (SID)
   hcup-us.ahrq.gov/db/state/siddist/SID_Introduction.jsp
   June 01, 2022 - Researchers and policymakers use SID to investigate questions unique to one State; to compare data from … The HCUP unique record identifier (KEY) provides the linkage between the Core files and the Diagnosis … The HCUP unique record identifier (KEY) provides the linkage between the Core files and the Diagnosis … The HCUP unique record identifier (KEY) provides the linkage between the Core files and the Diagnosis … To combine data elements across discharge-level files, merge the files by the unique record identifier

6. Introduction to the SEDD (pdf file)
   hcup-us.ahrq.gov/db/state/sedddist/Introduction_to_SEDD.pdf
   January 01, 2025 - combine data elements between this type of Charges file and the Core file, merge the files by the unique … combine data elements between this type of Charges file and the Core file, merge the files by the unique … The HCUP unique record identifier (KEY) provides the linkage between the Core files and the Diagnosis … The HCUP unique record identifier (KEY) provides the linkage between the Core files and the Diagnosis … The HCUP unique record identifier (KEY) provides the linkage between the Core files and the Diagnosis

7. Introduction to the SASD (pdf file)
   hcup-us.ahrq.gov/db/state/sasddist/Introduction_to_SASD.pdf
   January 01, 2025 - combine data elements between this type of Charges file and the Core file, merge the files by the unique … The HCUP unique record identifier (KEY) provides the linkage between the Core files and the Diagnosis … The HCUP unique record identifier (KEY) provides the linkage between the Core files and the Diagnosis … The HCUP unique record identifier http://www.hcup-us.ahrq.gov/ http://www.hcup-us.ahrq.gov/ http:// … To combine data elements across encounter-level files, merge the files by the unique record identifier

8. LimitationsonUsingNRD (pdf file)
   hcup-us.ahrq.gov/db/nation/nrd/LimitationsonUsingtheNRD.pdf
   December 25, 2022 - Use KEY_NRD to Link NRD Files within a Data Year, Not Patients KEY_NRD contains a unique record identifier … The NRD unique record identifier (data element KEY_NRD) can be used to add data elements from the Severity

9. 2017-02 (pdf file)
   hcup-us.ahrq.gov/reports/methods/2017-02.pdf
   January 01, 2017 - Unique is defined as the only ED in a NEDS stratum for the State. … Unique is defined as the only ED in a NEDS stratum for the State. … Unique is defined as the only ED in a NEDS stratum for the State. … This design included EDs that are unique within a stratum and State. … a Alternative Design 3 retains unique EDs in the sampling frame.

10. Data Files Specs
    hcup-us.ahrq.gov/datainnovations/clinicaldata/FL23DataFilesSpecs.jsp
    October 23, 2010 - Demographic Data File Agency Hospital Identification Number Hospital unique patient tracking number … Code Admission Date Discharge Record date Discharge Record quarter Lab Data File Hospital unique … test Date Specimen Run Time Specimen Run Blood Cultures Data File (Microbiology) Hospital unique

11. INTRODUCTION TO THE HCUP STATE AMBULATORY SURGERY AND SERVICES DATABASES (SASD)
    hcup-us.ahrq.gov/db/state/sasddist/SASD_Introduction.jsp
    June 01, 2022 - To combine data elements between this type of Charges file and the Core file, merge the files by the unique … The HCUP unique record identifier (KEY) provides the linkage between the Core files and the Diagnosis … The HCUP unique record identifier (KEY) provides the linkage between the Core files and the Diagnosis … The HCUP unique record identifier (KEY) provides the linkage between the Core files and the Diagnosis … To combine data elements across encounter-level files, merge the files by the unique record identifier

12. INTRODUCTION TO THE HCUP STATE EMERGENCY DEPARTMENT DATABASES (SEDD)
    hcup-us.ahrq.gov/db/state/sedddist/SEDD_Introduction.jsp
    June 01, 2022 - To combine data elements between this type of Charges file and the Core file, merge the files by the unique … To combine data elements between this type of Charges file and the Core file, merge the files by the unique … The HCUP unique record identifier (KEY) provides the linkage between the Core files and the Diagnosis … To combine data elements between this type of Charges file and the Core file, merge the files by the unique … The HCUP unique record identifier (KEY) provides the linkage between the Core files and the Diagnosis

13. Sc-Ecode-Nis2000-Erratasheet (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/SC-Ecode-NIS2000-ErrataSheet.pdf
    May 23, 2017 - There are three data elements in the E Code file: a unique record identifier (KEY), the cause of injury … Merge the separate E Code file onto the NIS by the unique record identifier KEY. 3.

14. NRD Overview
    hcup-us.ahrq.gov/nrdoverview.jsp
    July 01, 2025 - The NRD is a unique and powerful database designed to support various types of analyses of national readmissions … Return to Contents   About the NRD The NRD is a unique and powerful database designed to … The file is sorted by the NRD hospital identifier (HOSP_NRD) and the NRD unique record identifier (KEY_NRD … The file is sorted by the NRD hospital identifier (HOSP_NRD) and the NRD unique record identifier (KEY_NRD … The file is sorted by the NRD hospital identifier (HOSP_NRD) and the NRD unique record identifier (KEY_NRD

15. User Guide: Supplemental Variables for Revisit Analysis (pdf file)
    hcup-us.ahrq.gov/toolssoftware/revisit/UserGuide-SuppRevisitFilesCD.pdf
    October 01, 2024 - The revisit variables are unique within state and data year. … The start date is randomly assigned for each unique patient. … synthetic patient linkage number which enables tracking of unique patients within and across years. … The same unique value of visitLink is coded on all records for an individual patient. … Table C of the Excel Appendix file lists the percentage of unique values of visitLink that appear in

16. HCUP-US KID Overview
    hcup-us.ahrq.gov/kidoverview.jsp
    July 01, 2025 - The unique design of the KID enables national and regional studies of common and rare pediatric conditions … The file is sorted by the KID hospital identifier (HOSP_KID) and the HCUP unique record identifier (RECNUM … The file is sorted by the KID hospital identifier (HOSP_KID) and the HCUP unique record identifier (RECNUM … The file is sorted by the KID hospital identifier (HOSP_KID) and the HCUP unique record identifier (RECNUM

17. Healthcare Cost and Utilization Project (HCUP) NASS Notes
    hcup-us.ahrq.gov/db/vars/key_nass/nassnote.jsp
    August 01, 2019 - KEY_NASS is a unique record identifier and cannot be used to track a person over time.  

18. NRD Database Documentation
    hcup-us.ahrq.gov/db/nation/nrd/nrddbdocumentation.jsp
    April 01, 2025 - Readmissions Database (NRD) Database Documentation The Nationwide Readmissions Database (NRD) is a unique

19. Healthcare Cost and Utilization Project (HCUP) NIS Notes
    hcup-us.ahrq.gov/db/vars/hfipsstco/nisnote.jsp
    September 01, 2008 - Each hospital has only one unique state/county code. … The unmodified FIP county code will include unique values for independent cities, such as Baltimore

20. Healthcare Cost and Utilization Project (HCUP) KID Notes
    hcup-us.ahrq.gov/db/vars/hfipsstco/kidnote.jsp
    September 01, 2008 - Each hospital has only one unique state/county code. … The unmodified FIP county code will include unique values for independent cities, such as Baltimore