Health care: medically necessary treatment.

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 contract or health insurance policy to provide coverage for medically necessary treatment of mental health and substance use disorders under the same terms and conditions applied to other medical conditions, as specified. Existing law generally authorizes a health care service plan or health insurer to use utilization review…