8D8A.1

ICD-11 MMS 2026-01

Horner syndrome

Index terms

  • Horner syndrome
  • Horner syndrome, acquired
  • Bernard-Horner syndrome
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  • Claude Bernard-Horner syndrome
  • Horner
  • Horner's syndrome pupil
  • Sympathetic cervical paralysis syndrome
  • Horner syndrome, congenital

Exclusions from above levels

  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 19 – Certain conditions originating in the perinatal period
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  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • 8D8A.2 – Episodic anisocoria
  • 8D8A.Y – Other specified focal or segmental autonomic disorders
  • 8D8A.Z – Focal or segmental autonomic disorders, unspecified

Foundation entity

Horner syndrome – http://id.who.int/icd/entity/178756462

Part of: 8D8A: Focal or segmental autonomic disorders › 08: Diseases of the nervous system