Washington Revised Code Title 60. Liens § 60.44.050. Settlement of damages--Effect on lien

No settlement made by and between the patient and tort feasor and/or insurer shall discharge the lien against any money due or owing by such tort feasor or insurer to the patient or relieve the tort feasor and/or insurer from liability by reason of such lien unless such settlement also provides for the payment and discharge of such lien or unless a written release or waiver of any such claim of lien, signed by the claimant, be filed in the court where any action has been commenced on such claim, or in case no action has been commenced against the tort feasor and/or insurer, then such written release or waiver shall be delivered to the tort feasor and/or insurer.