The lawsuit claims the hospitals violated provisions of the American Recovery and Reinvestment Act of 2009.

About one-third of 59 Indiana acute care facilities surveyed by the LeapFrog Group received As in a report released Tuesday.

Only three hospitals, all in Indianapolis, are rated as "trauma one"- the highest rating, with doctors specializing in certain types of surgery that may be required after a severe wound.

The rate of opioid related admissions to Indiana hospitals and emergency departments has increased dramatically over the past 10 years.