California Code, Health and Safety Code - HSC § 11679

(a) Consistent with paragraph (9) of subdivision (b) of Section 56.10 of the Civil Code, a provider of health care, as defined in Section 56.05 of the Civil Code, or a covered entity, as defined in Section 160.103 of Title 45 of the Code of Federal Regulations, shall provide to the members of the county overdose fatality review team any information, including protected health information, and mental health records excluding psychotherapy notes, in its possession that is directly related to the review authorized under Section 11675 about the individual involved in the case. The provision of information under this subdivision is a disclosure required by law, which may be made only to the extent permitted under subdivision (a) of Section 164.512 of Title 45 of the Code of Federal Regulations. The information disclosed shall include substance use disorder patient records only to the extent permitted by Part 2 (commencing with Section 2.1) of Title 42 of the Code of Federal Regulations.

(b) The following additional information, only to the extent required for carrying out the reviews authorized by this division, may be disclosed: