Insurance for mental health and substance use.

HB 1134 amends the legal definition of "treatment of a mental illness or substance abuse" within specific sections of Indiana's insurance laws. This change directly affects insurance coverage for mental health and substance use disorder treatments by altering how these services are categorized under the law. The key mechanism is updating the definition in the Indiana Code, which could impact how insurers determine coverage requirements for these treatments. The bill does not create new coverage mandates but adjusts the existing legal framework governing insurance policies. It is currently referred to the Committee on Insurance for further review.