§ 8203. Definition of practice of audiology. The practice of the profession of audiology shall mean the application of principles, methods and procedures of measurement, testing, evaluation, consultation, counselling, instruction and habilitation or rehabilitation related to hearing and its disorders, related communication impairments and vestibular disorders for the purpose of non-medical diagnosis, prevention, identification, amelioration or modification of such disorders and conditions in individuals and/or groups of individuals.