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hcup-us.ahrq.gov/reports/statbriefs/sb219-Opioid-Hospital-Stays-ED-Visits-by-State.jsp
October 31, 2016 - About the NEDS
The HCUP Nationwide Emergency Department Database (NEDS) is a unique and powerful … The SID can be used to investigate questions unique to one State, to compare data from two or more States … The SEDD can be used to investigate questions unique to one State, to compare data from two or more States
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hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2010-2017.pdf
January 01, 2017 - Unique
combinations of the patient linkage number and the patient’s date of birth and sex constituted … We excluded rehabilitation or LTAC hospitals because they treat a
unique patient population that has … The NRD unique record identifier (HCUP data element KEY_NRD) can be used to add data
elements from the … The value was assigned
based on a unique combination of the synthetic patient linkage number provided … Each verified patient linkage number (NRD_VisitLink) was assigned a unique randomly chosen
start date
-
hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2010-2016.pdf
January 01, 2016 - Unique
combinations of the patient linkage number and the patient’s date of birth and sex constituted … We excluded rehabilitation or LTAC hospitals because they treat a
unique patient population that has … The NRD unique record identifier (HCUP data element KEY_NRD) can be used to add data
elements from the … Each verified patient linkage number (NRD_VisitLink) was assigned a unique start date that was
used … The
values of KEY_NRD are different in each data
year 2010–2012 and 2015–2016, but are not
unique
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hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2010-2018.jsp
January 01, 2018 - Unique combinations of the patient linkage number and the patient's date of birth and sex constituted … Rehabilitation or LTAC hospitals were excluded because they treat a unique patient population that has … The NRD unique record identifier (HCUP data element KEY_NRD) can be used to add data elements from the … The value was assigned based on a unique combination of the synthetic patient linkage number provided … Each verified patient linkage number (NRD_VisitLink) was assigned a unique randomly chosen start date
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hcup-us.ahrq.gov/db/nation/kid/KID_2003_SEVERITY.pdf
January 01, 2003 - The hospital identifier used by the American Hospital Association (AHAID and
IDNUMBER), and
• A unique … identifier and is
defined as:
• SSnnn, where SS = State FIPS Code, and
• nnn = hospital number unique … Data Elements (Severity) 46
RECNUM - HCUP record number
General Notes
RECNUM contains a unique … Uniform Values
Variable Description Value Value Description
RECNUM HCUP record
number 8(n) Unique
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hcup-us.ahrq.gov/reports/statbriefs/sb140.jsp
August 01, 2012 - , orthopedic, surgical, ear-nose-throat, and other specialty hospitals because these hospitals have unique … The SID can be used to investigate questions unique to one State; to compare data from two or more States
-
hcup-us.ahrq.gov/reports/statbriefs/sb115.jsp
June 01, 2011 - hospital setting while adhering to strict privacy protections. 4 Hospital visits that belong to a unique … The SID can be used to investigate questions unique to one state; to compare data from two or more states
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hcup-us.ahrq.gov/datainnovations/clinicaldata/FL8hospitaldatasharingagrmt081108.jsp
October 08, 2010 - Social Security Number
Zip Code
The Agency Hospital Identification Number Hospital unique
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2014.jsp
January 01, 2014 - Prior to the 2012 NIS, the HCUP unique record identifier (KEY) provided the linkage between the Core … Beginning with the 2012 NIS, the unique NIS record number (KEY_NIS) provides the linkage between the … Prior to the 2012 NIS, the HCUP unique record identifier (KEY) provided the linkage between the Core … Beginning with the 2012 NIS, the unique NIS record number (KEY_NIS) provides the linkage between the … Record identifier, synthetic
KEY_NIS
Unique record number for file beginning in 2012
Return
-
hcup-us.ahrq.gov/HCUP_Overview/HCUP_Overview/index508.jsp
October 01, 2022 - Data Sources
Data Files and Elements
Unique Attributes
Availability and Pricing
Research Topics … Also, the HCUP State-level databases capture all discharges, making them unique and powerful. … Return to Contents
SID/Unique Attributes
Sean: My understanding is that AHRQ collects data … Researchers and policymakers use the SID to investigate questions unique to one State or to compare data … The value is assigned based on a unique combination of the synthetic patient linkage number provided
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2018.jsp
January 01, 2018 - Beginning with the 2012 NIS, the unique NIS record number (KEY_NIS) provides the linkage between the … Inpatient Core file and the Disease Severity Measures file
Prior to the 2012 NIS, the HCUP unique … Beginning with the 2012 NIS, the unique NIS record number (KEY_NIS) provides the linkage between the … Linkage Data Element
Record identifier, synthetic
KEY_NIS
Unique record number for file beginning … NIS hospital number (links to Hospital Weights file; does not link to previous years)
KEY_NIS
Unique
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hcup-us.ahrq.gov/db/ccr/ip-ccr/ip-ccr.jsp
April 01, 2025 - The CCR files are unique by year and database.
-
hcup-us.ahrq.gov/db/nation/nis/DataElements_NIS_2003_HOSPITAL.pdf
January 01, 2003 - The hospital identifier used by the American Hospital Association (AHAID and
IDNUMBER), and
• A unique … The hospital identifier used by the American Hospital Association (AHAID and
IDNUMBER), and
• A unique … identifier and is
defined as:
• SSnnn, where SS = State FIPS Code, and
• nnn = hospital number unique … Each hospital
has only one unique state/county code. … The hospital identifier used by the American Hospital Association (AHAID and
IDNUMBER), and
• A unique
-
hcup-us.ahrq.gov/reports/statbriefs/sb129.jsp
April 01, 2012 - The SID can be used to investigate questions that are unique to one State; to compare data from two or … SES), this directive includes a charge to examine disparities in "priority populations"�groups with unique
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2002.jsp
January 01, 2002 - The HCUP unique record identifier (KEY) provides the linkage between the Core files and the Disease Severity … GA, IL, KY, ME, MN, NE, NV, OH, OR, WA, WV
Record identifier, synthetic
KEY
1998-2002
Unique … record number for file beginning in 1998
SEQ
1988-1997
Unique record number for NIS prior … to 1998
SEQ_SID
1988-1997
Unique record number for NIS prior to 1998
PROCESS … Kids' Inpatient Database (KID) ) is a unique database of hospital inpatient stays for children 18 years
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2012.jsp
January 01, 2012 - Prior to the 2012 NIS, the HCUP unique record identifier (KEY) provided the linkage between the Core … Beginning with the 2012 NIS, the unique NIS record number (KEY_NIS) provides the linkage between the … Prior to the 2012 NIS, the HCUP unique record identifier (KEY) provided the linkage between the Core … Beginning with the 2012 NIS, the unique NIS record number (KEY_NIS) provides the linkage between the … Record identifier, synthetic
KEY_NIS
Unique record number for file beginning in 2012
Return
-
hcup-us.ahrq.gov/db/nation/kid/reports/KID_2000_Design_Report.pdf
January 01, 2000 - The KID is a unique and powerful database of hospital inpatient stays for children. … obtain data from individual hospitals, and it
would have been too burdensome to process each hospital's unique … stand-alone community
children’s hospital in Connecticut was dropped from the database; bed size for two unique … hospitals, although in sampling strata with other hospitals, were
removed from the sampling frame due to unique
-
hcup-us.ahrq.gov/reports/statbriefs/sb142.pdf
August 01, 2011 - orthopedic, surgical, ear-nose-throat, and other specialty hospitals because these hospitals have
unique … The SID can be used to investigate questions unique to one State; to compare data from two or more
States
-
hcup-us.ahrq.gov/reports/statbriefs/sb142.jsp
September 01, 2012 - , orthopedic, surgical, ear-nose-throat, and other specialty hospitals because these hospitals have unique … The SID can be used to investigate questions unique to one State; to compare data from two or more States
-
hcup-us.ahrq.gov/datainnovations/clinicalcontentenhancementtoolkit/mn17.jsp
September 01, 2014 - Admit Date/Time
Discharge Date/Time
Rx Order Number This may be a unique, internal number assigned