CA AB1576

Modifies how permanent disability is calculated for workers' compensation subsequent injury claims, using the AMA Guides to the Evaluation of Permanent Impairment (5th Edition) whole person impairment rating with specific adjustment factors based on injury date

Establishes new eligibility requirements for subsequent injury claims occurring on or after January 1, 2027, requiring substantial evidence that prior disabilities resulted in lost earnings, interfered with work activities, or impacted daily living

Excludes nine common conditions from qualifying as preexisting disabilities for subsequent injury benefits: acid reflux, allergies, arthritis, asthma, diabetes, headaches, hypertension, sexual dysfunction, and sleep apnea

Sets a filing deadline of 5 years from the subsequent injury date or 1 year from when the Workers' Compensation Appeals Board determines the permanent disability level, whichever is later, for claims after January 1, 2027

Transfers payment administration of additional compensation awards from the State Compensation Insurance Fund to the Director of Industrial Relations as trustee of the Subsequent Injuries Benefits Trust Fund