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Research Tools

Software Tools
HCUP software tools can be applied to HCUP and other administrative databases to systematically create new data elements from existing data, thereby enhancing a researcher's ability to conduct analyses.
Tools for ICD-10-CM/PCS
Designed for use with International Classification of Diseases, 10th Revision, Clinical Modification/Procedure Coding System (ICD-10-CM/PCS) codes
Tools for CPT and HCPCS Level II
Designed for use with Healthcare Common Procedure Coding System (HCPCS) Level I (Current Procedural Terminology (CPT®)) and HCPCS Level II codes

AHRQ Quality Indicators (QIs)
AHRQ Quality Indicators are standardized, evidence-based measures of healthcare quality that can be used with readily available hospital inpatient administrative data to measure and track clinical performance and outcomes.
Tools for ICD-9-CM
Designed for use with International Classification of Diseases, 9th Revision, Clinical Modification (ICD-9-CM) codes

HCUP Supplemental Files
The HCUP Supplemental Files are available for use with the HCUP databases to enhance a researcher's ability to conduct analyses. These files are not applicable to other administrative databases.
For Use with HCUP Nationwide Databases
For Use with Nationwide and State Databases
  • Cost-to-Charge Ratio (CCR) Files*
    Facilitate estimating resource costs of inpatient care for NIS, KID, NRD, and SID starting in 2001 and emergency department care for NEDS and SEDD starting in 2012

  • Hospital Market Structure (HMS) Files*
    Contain various measures of hospital market competition for NIS, KID, and SID for 1997, 2000, 2003, 2006, and 2009
For Use with HCUP State Databases
* Available through the online HCUP Central Distributor.
** Available for download using the link provided for the supplemental file details.
*** Recent years included in core database files with purchase; older years (2003-2008) available by contacting the HCUP Central Distributor at or 866-290-HCUP (4287).

Internet Citation: HCUP Tools and Software. Healthcare Cost and Utilization Project (HCUP). December 2022. Agency for Healthcare Research and Quality, Rockville, MD.
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Last modified 12/12/22