Research
Emerging Issues
Friction in the California Compensation System (Rel. November 30, 2021)
Workers' Compensation California Terrorism Risk Assessment (Rel. January 4, 2019)
Cumulative Trauma Claims
The World of Cumulative Trauma Claims (Rel. October 17, 2018)
Medical Cost Trends and Drivers
California Workers’ Compensation Aggregate Medical Payment Trends
- Updated through Calendar Year 2021
- Updated through Calendar Year 2020
- Updated through Calendar Year 2019
View California Workers' Compensation Aggregate Medical Payment Trends Archive
Medical Cost Drivers Research
- Cost Impact of California’s Drug Formulary – Two-Year Checkup (Rel. February 9. 2021)
- Cost Impacts of Medical Care Delays in the California Workers’ Compensation System (Rel. October 29, 2020)
- Physical Medicine Treatments and Their Impact on Opioid Use and Lost Time in California Workers' Compensation (Rel. January 15, 2020)
- Treatment Patterns of Medical Providers Indicted for Fraud in California Workers' Compensation (Rel. December 3, 2019)
- Early Indicators of High-Risk Opioid Use and Potential Alternative Treatments (Rel. April 23, 2019)
- California's New Drug Formulary - One-Year Checkup (Rel. August 30, 2019)
- Impact of the Affordable Care Act on California Workers' Compensation (Rel. May 3, 2018)
- Impact of the Medical Fraud Enforcement on California Workers' Compensation (Rel. October 16, 2018)