California WC Loss Development, AY 2016-2025
California workers’ comp loss costs continued to rise over the past decade despite disruptions caused by the COVID-19 pandemic according to a new CWCI analysis of loss development before, during and after the pandemic. A news release is available under the News tab and a more detailed summary is in Bulletin 26-13. The full report is available for free to members and subscribers who call 510-251-9470, nonmembers may purchase a copy for $21.
Calif CT Claims: 2018–2025: Trends and Factors Associated with Growth
New CWCI research tracks the growth of CT claims in California and analyzes the extent to which various factors may be driving that growth. The Report to the Industry is in the Research section of our website, while the results have also been summarized in Bulletin 26-12 and a press release in the Newsroom.
Medical Inflation and Cost Drivers in California Workers’ Comp
The CWCI research found that from 2017 to 2024, California workers’ comp medical inflation was largely driven by rising prices — rather than utilization — for services billed under unlisted procedure codes where fees are not constrained by fee schedule pricing controls.
Psychotherapeutic & Neurological Drugs
CWCI uses data from its IRIS database and its Prescription Drug Interactive App to explore what is behind the growth in payments for Psychotherapeutic & Neurological Drugs in the California…
Functional Restoration Programs in Calif Workers' Comp
A CWCI study offers some of the first comprehensive data on the use of Functional Restoration Programs (FRPs) to treat California injured workers.
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CWCI’s 63rd Annual Meeting on Wed., March 24, 2027 at The Sofia in Sacramento.
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Loss Development: Medical & Indemnity Payments on AY 2016–AY 2025 Claims
A CWCI Research Update report uses IRIS data on insured and self-insured indemnity claims from AY 2016–AY 2025 to provide an updated view of California WC medical and indemnity loss trends before, during, and after the pandemic. The full report is free to members and subscribers by calling 510-251-9470, others may purchase a copy for $21.
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Research Reports
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Functional Restoration Programs in the California Workers' Compensation System
Functional Restoration Programs (FRPs): A CWCI Report to the Industry examines the characteristics of injured workers approved for FRPs and how these programs have been implemented in the California workers comp system.
Legislative Impact Analysis: SB 632
A CWCI Legislative Impact Report examines SB 632, a bill that would give acute care hospital workers who provide direct patient care presumptions of compensability for 9 categories of injuries, encompassing more than 250 ICD-10 codes.
Long COVID-19 Claim Characteristics and Treatment in California Workers' Compensation
CWCI’s analysis examines the various characteristics of Long COVID claims in California workers’ compensation, including the distribution of claims by diagnostic category and affected body part, the mix of treatment payments among medical service categories at different…
CWCI Updates Inpatient Hospital Utilization Application and Issues Interactive Research Report
A CWCI Interactive Research Report based on the latest update to the Institute’s Inpatient Hospital Utilization Application which now includes inpatient hospital discharge data for CY 2012 through CY 2023 compiled by the California Department of Health Care Access and Information (HCAI)
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