RCW 48.12.140: "Loss payments," "loss expense" defined.

"Loss payments" and "loss expense payments" as used with reference to liability and workers' compensation insurances shall include all payments to claimants, payments for medical and surgical attendance, legal expenses, salaries and expenses of investigators, adjusters and claims field representatives, rents, stationery, telegraph and telephone charges, postage, salaries and expenses of office employees, home office expenses and all other payments made on account of claims, whether such payments are allocated to specific claims or are unallocated.