Upper level: b249 Hearing and vestibular functions, other specified and unspecified
Sensory functions relating to sensing the presence of sounds and discriminating the location, pitch, loudness and quality of sounds.
Inclusions: functions of hearing, auditory discrimination, localization of sound source, lateralization of sound, speech discrimination; impairments such as deafness, hearing impairment and hearing loss
Exclusions: perceptual functions (b156) and mental functions of language (b167)
Lower livel: