AMA CPT® Assistant - 2011 Issue 5 (May)

Labyrinthotomy Revisions (Codes 69801 and 69802) (May 2011)

May 2011 page 8 Labyrinthotomy Revisions (Codes 69801 and 69802) The labyrinth, the portion of the ear that is responsible for sensing balance and hearing, is composed of the cochlea, utricle, saccule, and the semicircular canals. The cochlea, the auditory labyrinth, is involved in transmitting sounds to the brain. The vestibular labyrinth, composed of the semicircular canals, utricle, and saccule, sends information to the brain about the head's position and movement resulting in the maintenance of balance. Labyrinthitis, inflammation of the labyrinth, has vertigo (sense of moving or whirling) as its most frequent symptom because the information that the...

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