-
hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2018.jsp
January 01, 2018 - category, 12 location and teaching status, and ownership. 13 There are 108 possible strata (i.e., unique … hospital-specific data anomalies.
4.3 ICD-10-CM Diagnosis Codes and CPT Procedure Codes
Each unique … Number of sampled hospitals in the stratum
NASS hospital identifier, synthetic
HOSP_NASS
Unique … Encounter weight used to calculate national estimates
Identifiers, synthetic
HOSP_NASS
Unique … DXCCSR_VERSION
Version of CCSR for ICD-10-CM diagnoses
Identifiers, synthetic
HOSP_NASS
Unique
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2015.jsp
January 01, 2015 - 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 … ICD-9-CM diagnoses
KEY_NIS
Unique record number for file beginning in 2012 links the Core file to
-
hcup-us.ahrq.gov/db/nation/nrd/NRD_Introduction_2010-2014.jsp
January 01, 2014 - 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 start date that was used to
-
hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2020.pdf
January 01, 2020 - 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
-
hcup-us.ahrq.gov/reports/methods/2019-04.pdf
January 01, 2019 - Pooling the SID across 48 HCUP Partner States (Appendix A) resulted in more than
44,000 unique ZIP Codes … Each
hospital has only one unique State/county code. … It should be noted
that HFIPSSTCO includes unmodified FIPS county codes, which include unique values … Similar to HFIPSSTCO, each hospital has only
one unique State/county code. … Another example is the Bureau of Economic
Analysis (BEA), which uses unique modification codes to represent
-
hcup-us.ahrq.gov/toolssoftware/ccs/ccsfactsheet.jsp
July 01, 2025 - Single-level CCS
This system classifies all diagnoses and procedures into unique groups.
-
hcup-us.ahrq.gov/news/exhibit_booth/HCUPFactSheet.pdf
March 23, 2022 - The SID can be used to investigate questions that are unique to one State or to
compare data from two
-
hcup-us.ahrq.gov/datainnovations/clinicalcontentenhancementtoolkit/hi7.jsp
July 01, 2016 - Units of Measure
Each laboratory test has a unique test code that represents both the laboratory test … Failure to Link Laboratory Record with Discharge Record
The laboratory record did not link to a unique
-
hcup-us.ahrq.gov/reports/statbriefs/sb115.pdf
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
-
hcup-us.ahrq.gov/reports/statbriefs/sb129.pdf
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/NISvariables1988-2013forHCUP-US.pdf
August 13, 2015 - Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes -- -- IDNUMBER
KEY
Core,
Severity,
Dx_Pr_Grps
Unique … Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes -- -- KEY
KEY_NIS
Core,
Severity,
Dx_Pr_Grps
Unique … Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes S_HOSP_U
SEQ Core Unique … Yes Yes Yes Yes Yes Yes Yes Yes Yes -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- SEQ
SEQ_SID Core Unique
-
hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2016.jsp
January 01, 2016 - category, 9 location and teaching status, and ownership. 10 There are 108 possible strata (i.e., unique … hospital-specific data anomalies.
4.3 ICD-10-CM Diagnosis Codes and CPT Procedure Codes
Each unique … Number of sampled hospitals in the stratum
NASS hospital identifier, synthetic
HOSP_NASS
Unique … Encounter weight used to calculate national estimates
Identifiers, synthetic
HOSP_NASS
Unique … HCUP NASS hospital number, links to other NASS files but not to other HCUP databases
KEY_NASS
Unique
-
hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2017.jsp
January 01, 2017 - size category, location and teaching status, and ownership. 9 There are 108 possible strata (i.e., unique … hospital-specific data anomalies.
4.3 ICD-10-CM Diagnosis Codes and CPT Procedure Codes
Each unique … Number of sampled hospitals in the stratum
NASS hospital identifier, synthetic
HOSP_NASS
Unique … Encounter weight used to calculate national estimates
Identifiers, synthetic
HOSP_NASS
Unique … HCUP NASS hospital number, links to other NASS files but not to other HCUP databases
KEY_NASS
Unique
-
hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2016.pdf
January 01, 2016 - size category,9 location and teaching status, and ownership.10
There are 108 possible strata (i.e., unique … S_HOSP_U Number of sampled hospitals in the
stratum
NASS hospital
identifier,
synthetic
HOSP_NASS Unique … DISCWT Encounter weight used to calculate national estimates
Identifiers,
synthetic
HOSP_NASS Unique … HCUP NASS hospital number, links to other
NASS files but not to other HCUP databases
KEY_NASS Unique … HCUP NASS hospital number, links to other
NASS files but not to other HCUP databases
KEY_NASS Unique
-
hcup-us.ahrq.gov/datainnovations/clinicaldata/RealTimeLOINCTranslationPoster.pdf
July 01, 2009 - Both similarities and disparities by display names were found. 14,802
interface codes merged to 4051 unique
-
hcup-us.ahrq.gov/datainnovations/clinicaldata/FL20LOINCIntroductionHammond.pdf
February 25, 2008 - ventilator management, survey instruments, other
25 Feburary 2008 Hammond 5
LOINC Code
• Codes are unique
-
hcup-us.ahrq.gov/datainnovations/clinicalcontentenhancementtoolkit/mn17.pdf
June 21, 2014 - include last 4 digits.
7 Admit Date/Time
8 Discharge Date/Time
9 Rx Order Number
This may be a unique
-
hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2019.pdf
January 01, 2019 - 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
-
hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2010-2018.pdf
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
-
hcup-us.ahrq.gov/db/nation/nass/2018_NASS_Introduction.pdf
January 01, 2018 - category,12 location and teaching status, and ownership.13
There are 108 possible strata (i.e., unique … DISCWT Encounter weight used to calculate national
estimates
Identifiers, synthetic HOSP_NASS Unique … HCUP NASS hospital number, links to other
NASS files but not to other HCUP databases
KEY_NASS Unique … HCUP NASS hospital number, links to other
NASS files but not to other HCUP databases
KEY_NASS Unique … HCUP NASS hospital number, links to other
NASS files but not to other HCUP databases
KEY_NASS Unique