Wash. Admin. Code § 182-540-130
(1) The medicaid agency covers the following services and supplies subject to the restrictions and limitations in this section and other applicable published WAC:
[Statutory Authority: RCW 41.05.021 and 41.05.160. WSR 15-14-040, § 182-540-130, filed 6/24/15, effective 7/25/15. WSR 11-14-075, recodified as § 182-540-130, filed 6/30/11, effective 7/1/11. Statutory Authority: RCW 74.04.050, 74.08.090, 74.09.530, and 74.09.700. WSR 06-24-036, § 388-540-130, filed 11/30/06, effective 1/1/07. Statutory Authority: RCW 74.08.090, 74.09.510, 74.09.520, 74.09.522, and 42 C.F.R. 405.2101. WSR 03-21-039, § 388-540-130, filed 10/8/03, effective 11/8/03.]