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Nationwide HCUP Databases National (Nationwide) Inpatient Sample (NIS) Kids' Inpatient Database (KID) Nationwide Emergency Department Sample (NEDS) Nationwide Readmissions Database (NRD)

State-Specific HCUP Databases State Inpatient Databases (SID) State Ambulatory Surgery and Services Databases (SASD) State Emergency Department Databases (SEDD)

Favorites HCUPNet HCUP Fast Stats AHRQ Quality Indicators (QIs) MONAHRQ

HCUP Supplemental Files Cost-to-Charge Ratio (CCR) Files Hospital Market Structure (HMS) Files HCUP Supplemental Variables for Revisit Analyses American Hospital Association (AHA) Linkage Files NIS Hospital Ownership Files Nationwide Inpatient Sample Trends (NIS-Trends) Files Kid’s Inpatient Database Trends (KID-Trends) File

HCUP Tools & Software Clinical Classifications Software (CCS): - CCS for ICD-10-CM/PCS - CCS for ICD-9-CM - CCS for Services and Procedures - CCS for Mental Health and Substance Abuse (MHSA) Chronic Condition Indicator Chronic Condition Indicator for ICD-10-CM Elixhauser Comorbidity Software Elixhauser Comorbidity Software for ICD-10-CM Procedure Classes Procedure Classes for ICD-10-PCS Utilization Flags Utilization Flags for ICD-10-PCS Surgery Flags Surgery Flags for Services and Procedures

HCUP Statistical Briefs Chronological list Topical list

HCUP Infographics

Topical Reports Wildfires in Northern California: Emergency Department Visits, 2017 Neonatal Abstinence Syndrome Births: Trends in the United States, 2008-2016 Inpatient Stays Involving Malnutrition: National Estimates, 2016 Clostridium Difficile Hospitalizations: National and Regional Trends, 2011-2015 Clostridium Difficile Hospitalizations: National an Regional Trends, 2010-2014 Race/Ethnicity Mental and Substance Use Disorders

HCUP Archive HCUP Projections Hospital Discharge Data report HCUP Highlights HCUP Fact Books HCUP National Statistics Archive HCUP Facts and Figures

HCUP Publications Publication search Research Spotlights AHRQ Publications

ICD-10-CM/PCS Resources

HCUP Method Series Chronological list Topical list

HCUP Database Reports NIS Related Reports KID Related Reports NEDS Related Reports NRD Related Reports SID Related Reports SASD Related Reports SEDD Related Reports

State Trends in Hospital Use by Payer Inpatient Trends by Payer ED Trends by Payer

Opioid-Related Hospital Use, National and State

HCUP Fast Stats FAQ

National Hospital Utilization and Costs Trends in Inpatient Stays Most Common Diagnoses for Inpatient Stays Most Common Operations During Inpatient Stays

HCUP e-News HCUP e-News Archives

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Calendar Events Database and Product Releases Calendar Archives

HCUP Outstanding Article of the Year Award Archive of Award Recipients

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ICD-10-CM/PCS Resources Present on Admission Resources Race and Ethnicity Data Improvement Toolkit Clinical Content Enhancement Toolkit