Any finding, determination, conclusion, declaration, or final order made by the commissioner, or his or her representative or delegate, or by an appeal tribunal, administrative law judge, reviewing officer, or other agent of the department for the purposes of this title, shall not be conclusive, nor binding, nor admissible as evidence in any separate action outside the scope of this title between an employee and the employee's present or prior employer before an arbitrator, court, or judge of this state or the United States, regardless of whether the prior action was between the same or related parties or involved the same facts or was reviewed pursuant to RCW 50A.50.140.