California Workers' Comp Medical Costs Rose 5% in 2025
Employers should prepare for rising insurance premiums as medical claim costs continue their multi-year climb.
Updated on Sept. 21, 2026 in Employment
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Medical service costs within the California workers' compensation system increased by 5% during 2025. This rise reflects a persistent upward trend in medical payments per claim observed annually since 2020.
Why it matters
The sustained growth in medical costs shifts the financial burden for California businesses, as these expenses now account for 52% of total system loss payments. Rising costs are driven by increased transaction pricing and higher service utilization, including areas often outside fixed fee schedules.
Medical costs represent 52% of total loss payments in the state's system, with physician services accounting for 48% of that share. The 5% cost growth resulted from a 4% rise in paid per transaction and a 1% increase in service volume per claim.
The details
The cost increases are primarily fueled by expenditures on medical-legal services and medical equipment, which combine to represent 30% of total medical payments. Rising costs are further exacerbated by service categories not subject to strict fee schedule limits and a higher prevalence of cumulative trauma claims. Regional discrepancies also exist, with Southern California experiencing faster growth in costs per claim compared to Northern California.
Timeline
Medical paid per claim has increased every year since 2020.
Medical service costs rose by 5% during 2025.
Market Landscape
The rising costs highlight the persistent difficulty of controlling expenditures within the California workers' compensation system fee schedule. Growth in non-regulated service areas and equipment costs demonstrates how expenses can climb despite broader regulatory frameworks intended to stabilize market pricing.
Business owners should review their insurance loss-run reports to identify if their injury claims are trending toward higher medical-legal and equipment costs. Consult with your broker to understand how these state-level cost trends will specifically influence your next renewal premium.
The takeaway
The sustained rise in per-claim medical costs necessitates a focus on workplace injury prevention to curb high-cost services like medical-legal and equipment usage. Track your organization's cumulative trauma claim frequency as a key metric to anticipate potential premium volatility.
Further reading
For more on labor market dynamics and insurance costs, visit Employment.
Source note: This article includes information reported by Insurance Journal.
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