Those patients determined to be high security risk patients, as described in Section 7228, shall be treated at Atascadero State Hospital or Patton State Hospital, a correctional facility, or other secure facility as defined by the State Department of State Hospitals, but shall not be treated at Metropolitan State Hospital or Napa State Hospital. Metropolitan State Hospital and Napa State Hospital shall treat only low- to moderate-risk patients, as defined by the State Department of State Hospitals.