{"@type": "dcat:Dataset", "accessLevel": "public", "contactPoint": {"@type": "vcard:Contact", "fn": "Department of Health Care Access and Information, Healthcare Analytics Branch", "hasEmail": "mailto:dataandreports@hcai.ca.gov"}, "description": "The Case Mix Index (CMI) is the average relative DRG weight of a hospital\u2019s inpatient discharges, calculated by summing the Medicare Severity-Diagnosis Related Group (MS-DRG) weight for each discharge and dividing the total by the number of discharges.  The CMI reflects the diversity, clinical complexity, and resource needs of all the patients in the hospital.  A higher CMI indicates a more complex and resource-intensive case load.  Although the MS-DRG weights, provided by the Centers for Medicare & Medicaid Services (CMS), were designed for the Medicare population, they are applied here to all discharges regardless of payer.  Note: It is not meaningful to add the CMI values together.", "distribution": [{"@type": "dcat:Distribution", "describedBy": "https://data.ca.gov/api/action/datastore_search?resource_id=eea4bb35-3988-49bc-8a5b-b0b4c212fa15&limit=0", "describedByType": "application/json", "description": "The Case Mix Index (CMI) is the average relative DRG weight of a hospital\u2019s inpatient discharges, calculated by summing the Medicare Severity-Diagnosis Related Group (MS-DRG) weight for each discharge and dividing the total by the number of discharges. The CMI reflects the diversity, clinical complexity, and resource needs of all the patients in the hospital. A higher CMI indicates a more complex and resource-intensive case load. Although the MS-DRG weights, provided by the Centers for Medicare & Medicaid Services (CMS), were designed for the Medicare population, they are applied here to all discharges regardless of payer. Note: It is not meaningful to add the CMI values together.", "downloadURL": "https://data.chhs.ca.gov/dataset/5448f054-aa7f-4797-9de2-85767db93dff/resource/3ed58730-7dbb-4a48-bae5-0e66929c44f7/download/casemixindex_1996_2024.xlsx", "format": "XLSX", "mediaType": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "title": "Case Mix Index-1996-2024"}, {"@type": "dcat:Distribution", "description": "Provides an example of how to use the Case Mix Index and the method to calculate it.", "downloadURL": "https://data.chhs.ca.gov/dataset/5448f054-aa7f-4797-9de2-85767db93dff/resource/9a577735-3eb5-415d-9bb8-29e4a90fe5eb/download/cmiexamplecalculation.pdf", "format": "PDF", "mediaType": "application/pdf", "title": "Case Mix Index Calculation Example"}, {"@type": "dcat:Distribution", "description": "The Case Mix Index (CMI) is the average relative DRG weight of a hospital\u2019s inpatient discharges, calculated by summing the Medicare Severity-Diagnosis Related Group (MS-DRG) weight for each discharge and dividing the total by the number of discharges.  The CMI reflects the diversity, clinical complexity, and resource needs of all the patients in the hospital.  A higher CMI indicates a more complex and resource-intensive case load.  Although the MS-DRG weights, provided by the Centers for Medicare & Medicaid Services (CMS), were designed for the Medicare population, they are applied here to all discharges regardless of payer.  Note: It is not meaningful to add the CMI values together.", "downloadURL": "https://data.chhs.ca.gov/dataset/5448f054-aa7f-4797-9de2-85767db93dff/resource/5a04e554-8d37-4e81-9d6b-1170045bcc82/download/datadictionary-casemixindex.docx", "format": "DOCX", "mediaType": "application/vnd.openxmlformats-officedocument.wordprocessingml.document", "title": "data-dictionary-case-mix-index"}, {"@type": "dcat:Distribution", "downloadURL": "https://data.chhs.ca.gov/dataset/5448f054-aa7f-4797-9de2-85767db93dff/resource/d5cf4e0c-bbb3-4212-9af5-f69e8472ac81/download/case-mix-index-d6t7du37.zip", "format": "ZIP", "mediaType": "application/zip", "title": "All resource data"}], "identifier": "0f0f7d02-29a7-4688-ac7c-621a9392a2ca", "issued": "2017-06-16T22:30:35.826295", "keyword": ["acuity", "case mix index", "cmi", "department of health care access and information", "diagnosis related group", "drg", "hcai", "ms-drg", "msdrg", "weight"], "license": "http://www.opendefinition.org/licenses/cc-by", "modified": "2025-11-06T23:24:50.155459", "publisher": {"@type": "org:Organization", "name": "Department of Health Care Access and Information"}, "theme": ["Health and Human Services"], "title": "Case Mix Index"}