Essential health benefits. Prohibits preexisting condition exclusions in individual and small group policies of accident and sickness insurance and health maintenance organization contracts. Specifies benefits that must be included in individual and small group policies of accident and sickness insurance and health maintenance organization contracts. Repeals provisions providing for preexisting condition exclusions in small group policies of accident and sickness insurance. Requires the legislative services agency to draft legislation for introduction in the 2020 session of the general assembly to make conforming changes to the Indiana Code.