- 386.3 Labyrinthitis
- 386.30 Labyrinthitis unspecified
- 386.31 Serous labyrinthitis
- 386.32 Circumscribed labyrinthitis
- 386.33 Suppurative labyrinthitis
- 386.34 Toxic labyrinthitis
- 386.35 Viral labyrinthitis
- 386.53 Hypoactive labyrinth, unilateral
- H83.09 Labyrinthitis, unspecified ear
- H83.2X1 Labyrinthine dysfunction, right ear
- H83.2X2 Labyrinthine dysfunction, left ear
- H83.2X3 Labyrinthine dysfunction, bilateral
- H83.2X9 Labyrinthine dysfunction, unspecified
- Disorder of the peripheral vestibular and auditory systems
- These systems consist of a complex series of interconnected
tubes that are fluid filled (fluid called endolymph) and form a
- The peripheral vestibular sensory organs of each ear detect
head position and head motion to provide input for gaze stability,
orientation, and balance.
- The peripheral auditory sensory organs of each ear convert
sound vibration into a neural impulse to provide input for hearing.
- Each system sends its respective sensory information, via
the vestibulocochlear nerve (eighth cranial nerve), to the central
nervous system for processing.
- Reduction or loss of function of one of the labyrinths due
to an infection, which causes an imbalance of neural activity between
the two inner ears
- Results in a spontaneous, severe attack of rotary vertigo
(illusion of spinning motion of the room or self) that lasts from
48 to 72 hours as well as sudden hearing loss that can be permanent
- Physical exam normal
- Audiogram abnormal
- Neurotologic exam abnormal
- Thorough and detailed history is essential to distinguish
vestibular labyrinthitis from other vestibular disorders and central
- Similar in presentation to vestibular neuritis, however
with labyrinthitis, patients also have hearing loss and/or
tinnitus (ringing or noises in the ear), which can be permanent
- Initially, patients report persistent, severe feeling of rotary
vertigo that occurs spontaneously but worsens with head movement.
- Patients complain of nausea and vomiting,
difficulty standing and walking without assistance, and blurred
vision due to oscillopsia (apparent movement of the environment).
- Initial symptoms improve over a period of a few days.
- After initial episode, patients typically continue to present
with a general feeling of dizziness (disorientation, wooziness,
off balance, etc.) and imbalance that mostly occurs with quick head
movements and may continue to have difficulty reading.
- This phase may manifest for up to 6 weeks
or longer, until recovery and compensation occur.
- More likely to occur after trauma or middle ear infections
- Acute presentation:
- Report of persistent, prolonged episode of
severe rotary vertigo, nausea and vomiting, unsteadiness, and/or
jumping, bouncing vision
- Imbalance manifested by inability ...
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