Wash. Rev. Code § 70.41.380
Hospitals shall have in place policies to assure that, when appropriate, information about unanticipated outcomes is provided to patients or their families or any surrogate decision makers identified pursuant to RCW 7.70.065. Notifications of unanticipated outcomes under this section do not constitute an acknowledgment or admission of liability, nor can the fact of notification, the content disclosed, or any and all statements, affirmations, gestures, or conduct expressing apology be introduced as evidence in a civil action.
RCW 70.41.380
Policy to be in place beginning January 1, 2006-2005 c 118: "Beginning January 1, 2006, the department shall, during the survey of a hospital, ensure that the policy required in RCW 70.41.380 is in place." [ 2005 c 118 s 2.]