Subject of Possible Rule Making: WAC 182-550-2590 Agency prior authorization requirements for Level 1 and Level 2 LTAC services, 182-550-2600 Inpatient psychiatric services, 182-550-3000 Payment method, 182-550-3381 Payment method for acute PM&R services and administrative day services, and 182-550-4550 Administrative day rate and swing bed day rate; other related rules as appropriate.

Statutes Authorizing the Agency to Adopt Rules on this Subject: RCW 41.05.021 and 41.05.160; SHB 2051, chapter 367, Laws of 2025.

Reasons Why Rules on this Subject may be Needed and What They Might Accomplish: The health care authority (agency) is amending these rules to remove reference to "other medical necessary services" to align with SHB 2051. During this review, the agency may identify additional related changes that improve clarity or update policy.

Other Federal and State Agencies that Regulate this Subject and the Process Coordinating the Rule with These Agencies: The Center for Medicare and Medicaid Services.

Process for Developing New Rule: The agency welcomes the public to take part in developing this rule. If interested, contact the person identified below to receive an early rule draft to review. After the early review, the agency will send a notice of proposed rule making (CR-102) to everyone receiving this notice and anyone who requests a copy.

Interested parties can participate in the decision to adopt the new rule and formulation of the proposed rule before publication by contacting Valerie Freudenstein, Rule-making Questions, P.O. Box 42716, Olympia, WA 98504-2716, phone 360-725-1344, fax 360-586-9727, telecommunication relay services (TRS) 711, email valerie.freudenstein@hca.wa.gov, website www.hca.wa.gov/about-hca/rulemaking; or Abby Cole, Program Questions, P.O. Box 42716, Olympia, WA 98504-2716, phone 360-725-1835, fax 360-586-9727, TRS 711, email abby.cole@hca.wa.gov, website www.hca.wa.gov/about-hca/rulemaking.