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Nationwide HCUP Databases National (Nationwide) Inpatient Sample (NIS) Kids' Inpatient Database (KID) Nationwide Ambulatory Surgery Sample (NASS) 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)

HCUP Supplemental Files NIS-Trend Weights Files NIS Hospital Ownership Files NIS 1993-2002 Discharge-Level Supplemental Files KID-Trend File Cost-to-Charge Ratio (CCR) Files Hospital Market Structure (HMS) Files Supplemental Variables for Revisit Analyses American Hospital Association (AHA) Linkage Files

Tools for ICD-10-CM/PCS Clinical Classifications Software Refined (CCSR) Elixhauser Comorbidity Software Refined for ICD-10-CM Procedure Classes Refined for ICD-10-PCS
Beta Versions of Tools for ICD-10-CM/PCS Chronic Condition Indicator (CCI) for ICD-10-CM Utilization Flags for Revenue Center Codes and ICD-10-PCS
Tools for CPT and HCPCS Level II CCS for Services and Procedures Surgery Flags for Services and Procedures
Tools for ICD-9-CM Clinical Classifications Software (CCS) for ICD-9-CM Chronic Condition Indicator (CCI) for ICD-9-CM Elixhauser Comorbidity Software for ICD-9-CM Utilization Flags for Revenue Center Codes and ICD-9-CM Procedure Classes for ICD-9-CM Surgery Flags for ICD-9-CM

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ICD-10-CM/PCS Resources

HCUP Methods Series Chronological Methods Series Topical Methods Series

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

HCUP Visualization of Inpatient Trends in COVID-19 and Other Conditions

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

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

HCUP Fast Stats FAQ

Opioids & Neonatal Abstinence Syndrome Opioid-Related Hospital Use Neonatal Abstinence Syndrome (NAS)

Other Topics Hurricane Impact on Hospital Use

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