"Hearing care professional" means a person who is a licensed hearing instrument dispenser, licensed audiologist, or licensed physician.
"Hearing instrument" or "hearing aid" means any wearable non-disposable, non-experimental instrument or device designed to aid or compensate for impaired human hearing and any parts, attachments, or accessories for the instrument or device, including an ear mold but excluding batteries and cords.
215 ILCS 5/356z.30