The Hospital Case Mix Data Specification Manuals provide information on the data file format, data specifications, data element definitions, and quality standards that data submitters must follow when submitting Case Mix files to CHIA.
Both the Final and Redline versions of the FY2021 Hospital Case Mix Data Specifications for Hospital Inpatient Discharge Data (HIDD), Hospital Emergency Department, and Hospital Outpatient Observation are available below.
Other documentation including Hospital Case Mix Data Specifications, Transfer Organization ID listings, and Payer Sources Codes are also available for reference.
FY2021 FINALHospital Inpatient Discharge Data COVID-19 Test Results Specifications