4A62

ICD-11 MMS 2026-01

Behçet disease

Description

Behçet disease is a disease of incompletely understood aetiopathogenesis characterised by recurrent oral and/or genital aphthous ulcers accompanied by cutaneous, ocular, articular, gastrointestinal, and/or central nervous system inflammatory lesions. Small vessel vasculitis, thrombotic vasculopathy, arteritis and arterial aneurysms may occur. It has a high prevalence from the Eastern Mediterranean across Central Asia to China and Japan.

Index terms

  • Behçet disease
  • Adamantiades-Behçet disease
  • Mucocutaneous Behçet disease
Show allHide
  • Oropharyngeal ulceration due to Behçet disease
  • Anogenital ulceration due to Behçet disease
  • Ulceration of vulva due to Behçet disease
  • Ulceration of penis or scrotum due to Behçet disease
  • Penile or scrotal ulceration due to Behçet disease
  • Cutaneous manifestations of Behçet disease
  • Ocular Behçet disease
  • Behçet arthritis
  • Gastrointestinal complications of Behçet disease
  • Primary ulcer of small intestine in Behçet disease
  • Cardiovascular complications of Behçet disease
  • Neurological complications of Behçet disease

Inclusions

  • Adamantiades-Behçet disease

Exclusions from above levels

  • 02 – Neoplasms
  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 20 – Developmental anomalies

Sibling codes

  • 4A60 – Monogenic autoinflammatory syndromes
  • 4A61 – SAPHO syndrome
  • 4A6Y – Other specified autoinflammatory disorders
  • 4A6Z – Autoinflammatory disorders, unspecified

Foundation entity

Behçet disease – http://id.who.int/icd/entity/1668927157

Allowed postcoordination axes

Part of: 04: Diseases of the immune system