8C77

ICD-11 MMS 2026-01

Ocular myopathy

Description

Slowly progressive weakness of ocular muscles, usually characterised by decreased mobility of the eye and drooping of the upper lid. The disorder may be unilateral or bilateral, and may be caused by central or peripheral nervous system lesion or by a neuromuscular disease.

Index terms

  • Ocular myopathy
  • Ocular dystrophy

Excludes

  • 9C82.0 – Ocular myopathy with mitochondrial abnormalities
  • 9C82.1 – oculopharyngeal muscular dystrophy

Exclusions from above levels

  • http://id.who.int/icd/entity/155258022 – Metabolic disorders
  • LD26.41 – Arthrogryposis multiplex congenita
  • 05 – Endocrine, nutritional or metabolic diseases
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  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 19 – Certain conditions originating in the perinatal period
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • 8C70 – Muscular dystrophy
  • 8C71 – Myotonic disorders
  • 8C72 – Congenital myopathies
  • 8C73 – Mitochondrial myopathies
  • 8C74 – Periodic paralyses or disorders of muscle membrane excitability
  • 8C75 – Distal myopathies
  • 8C76 – Myofibrillar myopathy
  • 8C78 – Malignant hyperthermia or hyperpyrexia
  • 8C7Y – Other specified primary disorders of muscles
  • 8C7Z – Primary disorders of muscles, unspecified

Foundation entity

Ocular myopathy – http://id.who.int/icd/entity/1877039847

Allowed postcoordination axes

Part of: 08: Diseases of the nervous system