Indiana Code Title 34. Civil Law and Procedure § 34-30-16-1

Sec. 1. A mental health service provider is immune from civil liability to persons other than the patient for failing to:

a patient's violent behavior unless the patient has communicated to the provider of mental health services an actual threat of physical violence or other means of harm against a reasonably identifiable victim or victims, or evidences conduct or makes statements indicating an imminent danger that the patient will use physical violence or use other means to cause serious personal injury or death to others.