Upper level: b249  Hearing and vestibular functions, other specified and unspecified

b240  Sensations associated with hearing and vestibular function

Sensations of dizziness, falling, tinnitus and vertigo.

Inclusions: sensations of ringing in ears, irritation in ear, aural pressure, nausea associated with dizziness or vertigo

Exclusions: vestibular functions (b235); sensation of pain (b280)

Lower livel:

• b2400  Ringing in ears or tinnitus

• b2401  Dizziness

• b2402  Sensation of falling

• b2403  Nausea associated with dizziness or vertigo

• b2404  Irritation in the ear

• b2405  Aural pressure

• b2408  Sensations associated with hearing and vestibular function, other specified

• b2409  Sensations associated with hearing and vestibular function, unspecified

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