California Code, Government Code - GOV § 8669.84

(a) Other than in a criminal proceeding, an EMS personnel, whether or not a party to an action, has a right to refuse to disclose, and to prevent another from disclosing, a confidential communication between the EMS personnel and a peer support team member made while the peer support team member was providing peer support services, or a confidential communication made to a crisis hotline or crisis referral service.

(b) Notwithstanding subdivision (a), a confidential communication may be disclosed under the following circumstances:

(c) Notwithstanding subdivision (a), a crisis hotline or crisis referral service may disclose confidential information communicated by an EMS personnel to prevent reasonably certain death, substantial bodily harm, or commission of a crime.

(d) This section does not limit an obligation of a mandated reporter to report instances of abuse as required by law, including as required by Section 11166 of the Penal Code.