Cal. Pen. Code § 5058.5
In addition to the services rendered by physicians and surgeons, including psychiatrists, or by psychologists, pursuant to Sections 5068 and 5079, physicians and surgeons, including psychiatrists and psychologists, employed by, or under contract to provide mental health services to, the Department of Corrections may also provide the following medically or psychologically necessary services: prescreening of mental disorders; determination of the mental competency of inmates to participate in classification hearings; evaluation of parolees during temporary detention; determining whether mental health treatment should be a condition of parole; and such other services as may be required which are consistent with their licensure.
Ca. Pen. Code § 5058.5