9C84.2

ICD-11 MMS 2026-01

Vestibular nystagmus

Exclusions from above levels

  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
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  • 19 – Certain conditions originating in the perinatal period
  • 22 – Injury, poisoning or certain other consequences of external causes
  • 8A21.0 – Posterior cortical atrophy

Child codes

  • 9C84.20 – Downbeat nystagmus
  • 9C84.21 – Upbeat nystagmus
  • 9C84.22 – Torsional nystagmus
  • 9C84.23 – Perverted nystagmus
  • 9C84.2Y – Other specified vestibular nystagmus
  • 9C84.2Z – Vestibular nystagmus, unspecified

Sibling codes

  • 9C84.0 – Physiological nystagmus
  • 9C84.1 – Congenital forms of nystagmus
  • 9C84.3 – Seesaw nystagmus
  • 9C84.4 – Gaze-evoked nystagmus
  • 9C84.5 – Nystagmus occurring in visual system disorders
  • 9C84.6 – Eyelid nystagmus
  • 9C84.Y – Other specified nystagmus
  • 9C84.Z – Nystagmus, unspecified

Foundation entity

Vestibular nystagmus – http://id.who.int/icd/entity/71054868

Allowed postcoordination axes

Part of: 9C84: Nystagmus › 09: Diseases of the visual system