See RCW 74.09.180, 43.20B.040, and 43.20B.050.
RCW 60.45.010
Medical care to injured recipient—Recovery of cost against tort feasor or tort feasor's insurer—Lien created, filing—Payment to recipient does not discharge lien.
Official source: Washington State Legislature. Reproduced from public-domain Washington statutes; confirm against the official source for the current text. Not legal advice.