Copyright © American Speech-Language-Hearing Association From: Legislation Impacting Audiology and the Provision of Audiological Services: A Review of Legislation Across the United States Am J Audiol. 2014;23(2):142-150. doi:10.1044/2014_AJA-13-0051 Legend: The number of states with legislation indicating the equipment and procedures that should be used in the identification of children with hearing loss. Each bar represents a different procedure or piece of equipment. DOH = Department of Health; ABR = auditory brainstem response; OAE = otoacoustic emissions. Date of download: 11/1/2017 Copyright © American Speech-Language-Hearing Association