Cal. Health & Safety Code § 1374.725

For services provided to an enrollee under a health care service plan contract issued, amended, or renewed on or after July 1, 2025, a health care service plan subject to Section 1374.72, and its delegates, shall establish a process to reimburse providers for mental health and substance use disorder treatment services that are integrated with primary care services. A process required under this section may be based upon federal rules or guidance issued for the Medicare program.