California Code, Welfare and Institutions Code - WIC § 14715

(a)(1) The department shall require any mental health plan that provides Medi-Cal specialty mental health services to enter into a memorandum of understanding with any Medi-Cal managed care plan that provides Medi-Cal health services to some of the same Medi-Cal recipients served by the mental health plan.  The memorandum of understanding shall comply with applicable regulations.

(2) For purposes of this section, a “Medi-Cal managed care plan” means any prepaid health plan or Medi-Cal managed care plan contracting with the department to provide services to enrolled Medi-Cal beneficiaries under Chapter 7 (commencing with Section 14000) or Chapter 8 (commencing with Section 14200), or Part 4 (commencing with Section 101525) of Division 101 of the Health and Safety Code.

(1) A process or entity to be designated by the local mental health plan to receive notice of actions, denials, or deferrals from the Medi-Cal managed care plan, and to provide any additional information requested in the deferral notice as necessary for a medical necessity determination.

(2) A requirement that the local mental health plan respond by the close of the business day following the day the deferral notice is received.