"Hearing care professional" means a person who is a licensed hearing instrument dispenser, licensed audiologist, or a licensed physician.
"Hearing instrument" means any wearable non-disposable 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.
"Related services" means those services necessary to assess, select, and adjust or fit the hearing instrument to ensure optimal performance, including, but not limited to: audiological exams, replacement ear molds, and repairs to the hearing instrument.
215 ILCS 5/356z.30a