305 ILCS 5/5-58

In establishing and maintaining the Illinois Medicaid Preferred Drug List as described in Section 5-30.14, the Department shall ensure that nonopioid drugs on the Department's preferred drug list, and approved by the U.S. Food and Drug Administration, for the treatment or management of pain shall not be disadvantaged or discouraged with respect to coverage relative to any opioid or narcotic drug for the treatment or management of acute pain as long as the Department retains its authority to manage the Preferred Drug List process pursuant to State or federal law, rules, regulations, and policies and the Department's authority over the Preferred Drug List process is not undermined or compromised.