Indiana Code Title 35. Criminal Law and Procedure § 35-48-1.1-31

Sec. 31. “Opiate” or “opioid” means a drug or other substance having an addiction-forming or addiction-sustaining liability similar to morphine or being capable of conversion into a drug having addiction-forming or addiction-sustaining liability.  It does not include, unless specifically designated as controlled under IC 35-48-2, the dextrorotatory isomer of 3-methoxy-n-methylmorphinan and its salts (dextromethorphan).  It does include its racemic and levorotatory forms.