Executive Summary
Transcranial magnetic stimulation (TMS) is an evidence-based device and procedure used in the treatment of major depresisve disorder (MDD) and is an important mental health service covered by the Medi-Cal program. This fact sheet summarizes the history and evidence of TMS as well as the coverage status among Medicare, commercial plans in California, and Medicaid programs in other states. In addition, it explains the mechanisms under which Medi-Cal provides coverage for the service and provides recommendations for the Department of Health Care Services (DHCS) to enforce coverage of and access to TMS.