WCIRB- 2018 Work Comp Losses and Expense Report
March 14, 2026

California’s Workers’ Compensation Insurance Rating Bureau (WCIRB) released their report on workers’ compensation losses and expenses in 2018. Medical payments and losses declined slightly from last year’s report.

In 2018, $4.6 billion, or 55 percent of total loss payments, were for medical services. This includes an estimated proportion of loss payments made by CIGA for medical benefits during 2018. In 2017 that figure was $4.7 billion. The ratio of earned premiums fell 10 percent to 82 percent of earned premium in 2018, down from 92 percent in 2017.

Of the medical payments made in 2018, $1.2 billion went to physician services, $1.5 billion went directly to injured workers, $0.6 billion went to inpatient/outpatient services, $0.1 billion went to pharmaceuticals and $0.3 billion went to medical-legal evaluations.

In 2018 the total paid cost of medical cost containment programs was $426 million, down from $443 million in 2017. Indemnity benefits made up 45 percent of total loss payments, or $3.8 billion.

Total insurer combined losses and expenses in 2018 were $14.3 billion (82 percent of calendar year premium) compared to 2017’s $16.2 billion (92 percent of calendar year premium).

Read the full report from WCIRB.

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