Cal. Civ. Code § 56.10
(b) A provider of health care, a health care service plan, or a contractor shall disclose medical information if the disclosure is compelled by any of the following:
(1)
(6) A valid search warrant issued by a judicial officer, including a magistrate, to a governmental law enforcement agency, including a search warrant from another state that is based on either of the following and execution of the search warrant would not constitute a violation of Section 13778.2 of the Penal Code:
(c) A provider of health care or a health care service plan may disclose medical information as follows:
(8) A provider of health care or health care service plan that has created medical information as a result of employment-related health care services to an employee conducted at the specific prior written request and expense of the employer may disclose to the employee’s employer that part of the information that:
(21)
(A) The information may be disclosed to an employee welfare benefit plan, as defined under Section 3(1) of the Employee Retirement Income Security Act of 1974 (29 U.S.C. Sec. 1002(1)), which is formed under Section 302(c)(5) of the Taft-Hartley Act (29 U.S.C. Sec. 186(c)(5)), to the extent that the employee welfare benefit plan provides medical care, and may also be disclosed to an entity contracting with the employee welfare benefit plan for billing, claims management, medical data processing, or other administrative services related to the provision of medical care to persons enrolled in the employee welfare benefit plan for health care coverage, if all of the following conditions are met:
(g) For purposes of this section, the following definitions apply:
(2) “School-linked services coordinator” means an individual located on a school campus or under contract by a county behavioral health provider agency for the treatment and health care operations and referrals of students and their families that holds any of the following: