Wash. Admin. Code § 182-550-1600
The medicaid agency does not pay for an inpatient or outpatient hospital service, treatment, equipment, drug, or supply that is not listed or referred to as a covered service in this chapter. The following list of noncovered items and services is not intended to be all-inclusive. Noncovered items and services include, but are not limited to:
[Statutory Authority: RCW 41.05.021 and 41.05.160. WSR 15-18-065, § 182-550-1600, filed 8/27/15, effective 9/27/15. WSR 11-14-075, recodified as § 182-550-1600, filed 6/30/11, effective 7/1/11. Statutory Authority: RCW 74.08.090, 74.09.500. WSR 07-14-018, § 388-550-1600, filed 6/22/07, effective 8/1/07. Statutory Authority: RCW 74.08.090, 74.09.730, 74.04.050, 70.01.010, 74.09.200, [74.09.]500, [74.09.]530 and 43.20B.020. WSR 98-01-124, § 388-550-1600, filed 12/18/97, effective 1/18/98.]