Research
Emerging Issues
- Drivers of California Claim Duration (Rel. November 29, 2022)
- Friction in the California Compensation System (Rel. November 30, 2021)
- Workers' Compensation California Terrorism Risk Assessment (Rel. January 4, 2019)
Cumulative Trauma Claims
- Medical Characteristics of Cumulative Trauma Claims (Rel. December 14, 2022)
- 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)