Wash. Admin. Code § 246-840-830
A registered nurse may determine and pronounce death, but shall not certify death as defined in RCW 70.58.160 unless the registered nurse is a licensed ARNP as defined in WAC 246-840-300.
(1) A registered nurse may assume responsibility for the determination and pronouncement of death only if there are written policies and procedures relating to the determination and pronouncement of death in the organization with which the registered nurse is associated as an employee or by contract, provided:
(3) A registered nurse who assumes responsibility for the determination and pronouncement of death shall:
[Statutory Authority: RCW 70.58.170, 70.58.180 and 2000 c 133. WSR 00-17-179, § 246-840-830, filed 8/23/00, effective 9/23/00. Statutory Authority: Chapter 18.79 RCW. WSR 97-13-100, § 246-840-830, filed 6/18/97, effective 7/19/97.]