"Gatekeeper", for purposes of IC 12-24, IC 12-25, and IC 12-26, means an entity identified in IC 12-24-12-10 that is actively involved in the evaluation and planning of and treatment for a committed individual beginning after the commitment through the planning of the individual's transition back into the community, including case management services for the individual in the community.
IC 12-7-2-91.4