Wash. Rev. Code § 72.10.030
(3) Providers of hospital services that are hospitals licensed under chapter 70.41 RCW shall contract with the department for inpatient, outpatient, and ancillary services if deemed appropriate by the department. Payments to hospitals shall conform to the following requirements:
[ 2012 c 237 s 2; 1989 c 157 s 4.]