Provides that when a medical facility confirms that an adverse event has occurred, it shall submit to the department of health notification of the event within forty-eight hours and a report regarding the event within forty-five days.

Requires independent entities who report annually to the governor and the legislature on the activities under chapter 70.56 RCW to include information, presented in the aggregate, to inform and educate consumers and providers, on best practices and prevention tools that medical facilities are implementing to prevent adverse events as well as other patient safety initiatives medical facilities are undertaking to promote patient safety.

Provides that the notification of an adverse event under RCW 70.56.020(2)(a), is subject to public disclosure and not exempt from disclosure under chapter 42.56 RCW. Any public disclosure of an adverse event notification must include any contextual information the medical facility chose to provide under RCW 70.56.020(2)(a).