(1) The department shall purchase nursing home care by contract and payment for the care shall be in accordance with the provisions of chapter
74.46 RCW and rules adopted by the department. No payment shall be made to a nursing home which does not permit inspection by the authority and the department of every part of its premises and an examination of all records, including financial records, methods of administration, general and special dietary programs, the disbursement of drugs and methods of supply, and any other records the authority or the department deems relevant to the regulation of nursing home operations, enforcement of standards for resident care, and payment for nursing home services.
(2) The department may purchase nursing home care by contract in veterans' homes operated by the state department of veterans affairs and payment for the care shall be in accordance with the provisions of chapter
74.46 RCW and rules adopted by the department under the authority of RCW
74.46.800.
(3) The department may purchase care in institutions for persons with intellectual disabilities, also known as intermediate care facilities for persons with intellectual disabilities. The department shall establish rules for reasonable accounting and reimbursement systems for such care. Institutions for persons with intellectual disabilities include licensed nursing homes, public institutions, licensed assisted living facilities with fifteen beds or less, and hospital facilities certified as intermediate care facilities for persons with intellectual disabilities under the federal medicaid program to provide health, habilitative, or rehabilitative services and twenty-four hour supervision for persons with intellectual disabilities or related conditions and includes in the program "active treatment" as federally defined.
(4) The department may purchase care in institutions for mental diseases by contract. The department shall establish rules for reasonable accounting and reimbursement systems for such care. Institutions for mental diseases are certified under the federal medicaid program and primarily engaged in providing diagnosis, treatment, or care to persons with mental diseases, including medical attention, nursing care, and related services.
(5) Both the department and the authority may each purchase all other services provided under this chapter or other applicable law by contract or at rates established by the department or the authority respectively.