Department of Health Care Access and Information
Website: https://hcai.ca.gov/
Department of Health Care Access and Information (HCAI) is committed to expanding equitable access to health care for all Californians—ensuring every community has the health workforce they need, safe and reliable health care facilities, and health information that can help make care more effective and affordable.
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129 datasets
Ambulatory Surgery - Diagnosis and External Cause Codes
- Published by: Department of Health Care Access and Information
- Last updated: Sunday, June 21, 2026
- File types: .XLSX, XLSX, ZIP
This dataset contains statewide counts for every diagnosis, procedure, and external cause of injury/morbidity code reported on the ambulatory surgery ...
Hospital Emergency Department - Diagnosis and External Cause Codes
- Published by: Department of Health Care Access and Information
- Last updated: Sunday, June 21, 2026
- File types: .XLSX, XLSX, ZIP
This dataset contains statewide counts for every diagnosis and external cause of injury/morbidity code reported on the hospital emergency department d...
Hospital Utilization Trends
- Published by: Department of Health Care Access and Information
- Last updated: Sunday, June 21, 2026
- File types: CSV, PDF, ZIP
The datasets provide medical encounter counts across three hospital settings (Inpatient Discharges, Emergency Department visits, and Ambulatory Surger...
Measurable Hospital-Acquired Conditions (Composite Patient Safety and Adverse Events Indicator) Statewide Rate, California (LGHC Indicator)
- Published by: Department of Health Care Access and Information
- Last updated: Sunday, June 21, 2026
- File types: XLSX, PDF, CHART, ZIP
This dataset contains the statewide composite patient safety and Adverse Events indicator (PSI) rate used to determine the “Incidence of measurable ho...
All-Cause Unplanned 30-Day Hospital Readmission Rate, California (LGHC Indicator)
- Published by: Department of Health Care Access and Information
- Last updated: Sunday, June 21, 2026
- File types: CSV, PDF, CHART, ZIP
This dataset contains the statewide number and (unadjusted) rate for all-cause, unplanned, 30-day inpatient readmissions in California hospitals. Data...
Patients Leaving California Hospitals Against Medical Advice (AMA)
- Published by: Department of Health Care Access and Information
- Last updated: Sunday, June 21, 2026
- File types: ZIP, CSV, PDF
These datasets focus on patients leaving California hospitals against medical advice (AMA), which is defined as choosing to leave the hospital before ...
Rates of Preventable Hospitalizations (Age<18) for Selected Medical Conditions by County
- Published by: Department of Health Care Access and Information
- Last updated: Sunday, June 21, 2026
- File types: CSV, PDF, ZIP
The dataset currently contains hospitalization counts and rates, statewide and by county, for 4 conditions plus 3 composite measures. Hospitalization...
Rates of Preventable Hospitalizations for Selected Medical Conditions by County (LGHC Indicator)
- Published by: Department of Health Care Access and Information
- Last updated: Sunday, June 21, 2026
- File types: CSV, CHART, PDF, ZIP
The dataset contains hospitalization counts and rates, statewide and by county, for 10 ambulatory care sensitive conditions plus 4 composite measures....
Hospital Supplier Diversity Plans
- Published by: Department of Health Care Access and Information
- Last updated: Sunday, June 21, 2026
- File types: PDF, XLS, ZIP, XLSX, ZIPPED
This dataset contains Hospital Supplier Diversity Plans. As outlined in [Health and Safety Code Section 1339.85-1339.87](https://leginfo.legislat...
Medical Service Study Areas
- Published by: Department of Health Care Access and Information
- Last updated: Sunday, June 21, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This is the current Medical Service Study Area. California Medical Service Study Areas are created by the California Department of Health Care Access ...