Wash. Rev. Code § 74.09.840
(1) Beginning January 1, 2024, the authority shall require each managed care organization to comply with the following standards related to prior authorization for health care services and prescription drugs:
(a) The managed care organization shall meet the following time frames for prior authorization determinations and notifications to a participating provider or facility that submits the prior authorization request through an electronic prior authorization process, as designated by each managed care organization:
(b) The managed care organization shall meet the following time frames for prior authorization determinations and notifications to a participating provider or facility that submits the prior authorization request through a process other than an electronic prior authorization process described in subsection (2) of this section:
(2)
(b) Each managed care organization shall establish and maintain an interoperable electronic process or application programming interface that automates the process for in-network providers to determine whether a prior authorization is required for a covered prescription drug. The interoperable electronic process or application programming interface must support the exchange of prior authorization requests and determinations for prescription drugs, including information on covered alternative prescription drugs, beginning January 1, 2027, and must:
(4) For the purposes of this section:
(a) "Expedited prior authorization request" means a request by a provider or facility for approval of a health care service or prescription drug where:
(i) The passage of time:
[ 2025 c 25 s 3; 2023 c 382 s 3.]