9C83.5

ICD-11 MMS 2026-01

Internuclear ophthalmoplegia

Description

This is a disorder of conjugate lateral gaze in which the affected eye shows impairment of adduction.

Index terms

  • Internuclear ophthalmoplegia
  • Bielschowsky-Lutz-Cogan syndrome
  • INO - [internuclear ophthalmoplegia]
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  • Lhermitte syndrome
  • MLF - [medial longitudinal fasciculus] syndrome
  • internuclear paralysis
  • ophthalmoplegia internuclearis
  • Internuclear ophthalmoplegia, unilateral
  • Internuclear ophthalmoplegia, bilateral
  • Walled-eye bilateral internuclear ophthalmoplegia
  • WEBINO - [Walled-eye bilateral internuclear ophthalmoplegia] syndrome
  • Internuclear ophthalmoplegia, One-and-a-half syndrome

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

Sibling codes

  • 9C83.0 – Palsy of conjugate gaze
  • 9C83.1 – Spasm of conjugate gaze
  • 9C83.2 – Convergence insufficiency
  • 9C83.3 – Convergence excess
  • 9C83.4 – Spasm of the near reflex
  • 9C83.6 – Anomalies of divergence or deviation of eye movement
  • 9C83.Y – Other specified disorders of binocular movement
  • 9C83.Z – Disorders of binocular movement, unspecified

Foundation entity

Internuclear ophthalmoplegia – http://id.who.int/icd/entity/377040542

Allowed postcoordination axes

Part of: 9C83: Disorders of binocular movement › 09: Diseases of the visual system