Sunrise Electric, Inc. v. Ramirez

The Workers’ Compensation Board applied the last injurious exposure rule to assign Farmers Insurance Company 1 responsibility for claimant’s trigger finger condition. Farmers seeks review of the Board’s order. We reverse and remand.

In 1995, claimant began participating in a four-year apprenticeship electrician program. From 1995 until January 1997, she worked for Christenson Electric, which is insured by Liberty Northwest. In April 1996, claimant was diagnosed with bilateral carpal tunnel syndrome. She sought treatment from Dr. Trochmann, who eventually referred her to Dr. Van Allen. Claimant…