-
hcup-us.ahrq.gov/news/exhibit_booth/sedd_brochure.jsp
May 01, 2018 - Available annually since 1999, SEDD files include all patients, regardless of payer, thus providing a unique
-
hcup-us.ahrq.gov/db/nation/neds/NEDS2014Introduction.pdf
December 12, 2016 - “Unique” is defined as the only hospital in the State
universe for a stratum. … Hospital
identifier,
synthetic
HOSP_ED Unique HCUP NEDS hospital number – links to NEDS
Hospital … Record
identifier,
synthetic
KEY_ED Unique HCUP NEDS record number – links to NEDS
Supplemental … Hospital
identifier,
synthetic
HOSP_ED Unique HCUP NEDS hospital number – links to NEDS
Hospital … Hospital
identifier,
synthetic
HOSP_ED Unique HCUP NEDS hospital number – links to NEDS
Hospital
-
hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2016.jsp
January 01, 2016 - "Unique" is defined as the only hospital in the State universe for a stratum. … NEDS Hospital identifier, synthetic
HOSP_ED
Unique HCUP NEDS hospital number — links to NEDS Hospital … Record identifier, synthetic
KEY_ED
Unique HCUP NEDS record number - links to NEDS Supplemental files … NEDS Hospital identifier, synthetic
HOSP_ED
Unique HCUP NEDS hospital number — links to NEDS Hospital … Weights file, but not to other HCUP databases
Record identifier, synthetic
KEY_ED
Unique HCUP
-
hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2017.jsp
January 01, 2017 - "Unique" is defined as the only hospital in the State universe for a stratum. … NEDS Hospital identifier, synthetic
HOSP_ED
Unique HCUP NEDS hospital number — links to NEDS Hospital … Record identifier, synthetic
KEY_ED
Unique HCUP NEDS record number - links to NEDS Supplemental files … Weights file, but not to other HCUP databases
Record identifier, synthetic
KEY_ED
Unique HCUP … PRVER
Procedure version, ICD-10-PCS
NEDS Hospital identifier, synthetic
HOSP_ED
Unique HCUP
-
hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2014.jsp
January 01, 2014 - "Unique" is defined as the only hospital in the State universe for a stratum. … Hospital identifier, synthetic
HOSP_ED
Unique HCUP NEDS hospital number — links to NEDS Hospital … Hospital identifier, synthetic
HOSP_ED
Unique HCUP NEDS hospital number — links to NEDS Hospital … Weights file, but not to other HCUP databases
Record identifier, synthetic
KEY_ED
Unique HCUP … Hospital identifier, synthetic
HOSP_ED
Unique HCUP NEDS hospital number — links to NEDS Hospital
-
hcup-us.ahrq.gov/db/nation/nass/NASSIntroduction2022.pdf
December 01, 2024 - size category,
location/teaching status, and control/ownership
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 … of the Elixhauser Comorbidity Measure Refined
for ICD-10-CM
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/NASSIntroduction2021.pdf
April 01, 2024 - size category,
location/teaching status, and control/ownership
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 … of the Elixhauser Comorbidity Measure Refined
for ICD-10-CM
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_2020.jsp
January 01, 2020 - rehabilitation or long-term acute care (LTAC) facilities are excluded because these hospitals treat a unique … category, 13 location and teaching status, and ownership. 14 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 … the Elixhauser Comorbidity Measure Refined for ICD-10-CM
Identifiers, synthetic
HOSP_NASS
Unique
-
hcup-us.ahrq.gov/datainnovations/clinicalcontentenhancementtoolkit/hi8.jsp
August 07, 2014 - Will handle requirements for the life of the grant
Message handling
– Message definitions for unique
-
hcup-us.ahrq.gov/news/exhibit_booth/sasd_brochure.jsp
May 01, 2018 - Available annually since 1997, SASD files include all patients, regardless of payer, thus providing a unique
-
hcup-us.ahrq.gov/db/nation/nass/2020_NASS_Introduction.pdf
January 01, 2020 - size category,
location/teaching status, and control/ownership
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 … of the Elixhauser Comorbidity Measure Refined
for ICD-10-CM
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/toolssoftware/hms/hms.jsp
March 01, 2022 - These files are unique each year.
-
hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2019.jsp
January 01, 2019 - rehabilitation or long-term acute care (LTAC) facilities are excluded because these hospitals treat a 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 … the Elixhauser Comorbidity Measure Refined for ICD-10-CM
Identifiers, synthetic
HOSP_NASS
Unique
-
hcup-us.ahrq.gov/db/nation/nass/2019_NASS_Introduction.pdf
January 01, 2019 - category,15 location and teaching status, and ownership.16
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
-
hcup-us.ahrq.gov/datainnovations/raceethnicitytoolkit/ca7.jsp
November 01, 2014 - race, ethnicity, and language is part of a process by which hospital staff can identify and address unique
-
hcup-us.ahrq.gov/tech_assist/sampledesign/508_compliance/index508_2018.jsp
January 01, 2018 - Return to Contents
National Inpatient Sample (NIS)
The National Inpatient Sample (NIS), is a unique … Nationwide Emergency Department Sample (NEDS)
The Nationwide Emergency Department Sample (NEDS), is a unique … key differences in sample design amongst the NIS, NEDS, and KID, remember that each database has a unique
-
hcup-us.ahrq.gov/db/ccr/ed-ccr/ed-ccr.jsp
June 01, 2025 - The CCR Files are
unique by year and database.
-
hcup-us.ahrq.gov/seddoverview.jsp
July 01, 2025 - The SEDD files include all patients, regardless of payer, providing a unique view of ED care in a State
-
hcup-us.ahrq.gov/toolssoftware/ccsr/dxccsr.jsp
July 01, 2025 - Name Used in the Program
Data Element Name in HCUP Databases
Macro data element &RECID
The unique
-
hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2010-2015.jsp
January 01, 2015 - 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 … KEY_NRD
Unique record identifier for the discharge in the NRD and not linkable to any other HCUP or