Existing law requires a licensed health care practitioner who provides prenatal, postpartum, or interpregnancy care for a patient to offer to screen or appropriately screen a mother for maternal mental health conditions. For purposes of that requirement, existing law defines "maternal mental health condition" to mean a mental health condition that occurs during pregnancy, the postpartum period, or interpregnancy, as specified. This bill would limit the definition of "maternal mental health condition" to a mental health condition that occurs during the pregnancy or the postpartum period, as specified. The bill would authorize a licensed health care practitioner to satisfy the above-described requirement for maternal mental health screening by referring the patient or client to another licensed health care practitioner who is authorized to screen, evaluate, diagnose, and treat the patient or client for a maternal mental health condition. The bill would require a licensed health care practitioner who provides prenatal, postpartum, or perinatal care for a patient or client who screens positive for a maternal mental health condition to ensure that the patient or client receives appropriate clinical evaluation, and, if the practitioner diagnoses a patient or client with a maternal mental health condition, offer or provide treatment to the patient or client, consistent with the provider's scope of practice. Existing law, the Knox-Keene Health Care Service Plan Act of 1975, provides for the licensure and regulation of health care service plans by the Department of Managed Health Care and makes a willful violation of the act a crime. Existing law provides for the regulation of health insurers by the Department of Insurance. Existing law requires a health care service plan or health insurer to develop a maternal mental health program designed to promote quality and cost-effective outcomes. Existing law requires the program to, among other things, conduct specified maternal mental health screenings during pregnancy and the postpartum period. Existing law requires the program guidelines and criteria to be provided to relevant medical providers, including all contracting obstetric providers. Existing law encourages health care service plans and health insurers to, among other things, improve screening, treatment, and referral to maternal mental health services. For purposes of these provisions, existing law defines "maternal mental health" to mean a mental health condition that occurs during pregnancy or during the postpartum period, as specified. This bill would modify the term to "maternal mental health condition" and define it as a mental health condition that occurs during the pregnancy or the postpartum period, as defined by the most recent clinical guidelines adopted by the American College of Obstetricians, as specified. The bill would instead require the above-described maternal mental health program to include maternal mental health screening to be conducted during pregnancy and one or more mental health screenings to be conducted during the postpartum period in accordance with applicable clinical guidelines and the standards of care appropriate to the provider's scope of practice, as specified. The bill would require program guidelines and criteria to be provided to relevant licensed health care practitioners, as defined, including all contracting obstetric providers. The bill would require a health care service plan or health insurer to provide case management or care coordination for an enrollee or insured who screens positive for a maternal mental health condition in accordance with the plan's or insurer's existing case management and care coordination programs. The bill would encourage health care service plans and health insurers to improve treatment, including through the use of outpatient prescription drugs approved for maternal mental health by the United States Food and Drug Administration. Because a willful violation of these provisions by a health care service plan would be a crime, the bill would impose a state-mandated local program. The California Constitution requires the state to reimburse local agencies and school districts for certain costs mandated by the state. Statutory provisions establish procedures for making that reimbursement. This bill would provide that no reimbursement is required by this act for a specified reason.