(1)    Rates. The University of Wisconsin Hospitals and Clinics shall treat patients so admitted at rates computed in the following manner:

      (a)    Room rate. The chief executive officer shall establish with the approval of the board of directors a schedule of room rates for patients which may be adjusted by the chief executive officer with the approval of the board of directors to meet changes in the cost of operation. As used in this section “room rates” includes the charges for meals and for ordinary nursing care.

      (c)    Ancillary services. All services provided except those covered by the room rate shall be charged for in accordance with a schedule established and maintained for public inspection by the University of Wisconsin Hospitals and Clinics Authority.

   (3)   Indian children. Indian children whose hospital care is to be paid from funds granted the office of Indian affairs, U.S. department of interior, shall be admitted to the University of Wisconsin Hospitals and Clinics at the rates established under sub. (1).

   (4)   Additional charges forbidden. The University of Wisconsin Hospitals and Clinics Authority may not charge any compensation other than the amount provided by the board of directors for any of the following patients:

      (c)    Any child referred to the hospitals or their clinics by the children’s consultation service of a mental health institute under s. 46.041.

      (d)    Any pupil referred to the hospitals or their clinics by the state superintendent of public instruction under s. 115.53 (4).

      (e)    Any American Indian child admitted to the hospitals whose care is being paid under sub. (3).