Wash. Rev. Code § 43.70.057
(2) The department shall require hospitals with emergency departments to submit emergency department patient care information, which must be collected, maintained, analyzed, and disseminated by the department. The department shall also accept other data types submitted voluntarily as approved by the department. The data must be collected in a way that allows automated reporting by electronic transmission. Emergency departments submitting data must be able to obtain their data and aggregate regional and statewide data from the collection system within thirty minutes of submission of a query for the data once the data is available in the system. The department may, if deemed cost-effective and efficient, contract with a private entity for any or all parts of data collection, maintenance, analysis, and dissemination. The department or contractor shall include the following elements:
(6) The department must maintain the confidentiality of patient data it collects under subsection (2) of this section. Patient data collected by the department is health care information under chapter 70.02 RCW. Patient data that includes direct and indirect identifiers is not subject to public inspection and copying and the department may only release that data as allowed for in this section. Any agency that receives patient data under (a) or (b) of this subsection must also maintain the confidentiality of the data and may not release the data except as consistent with subsection (7)(b) of this section. The department may release the data as follows:
(a) Data that includes direct and indirect patient identifiers, as specifically defined in rule, may be released to:
(i)
(7) Recipients of data under subsection (6)(a) and (b) of this section must agree in a data use agreement, as applicable, at a minimum, to:
(9) For the purposes of this section:
[ 2017 c 220 s 1.]