BD55

ICD-11 MMS 2026-01

Asymptomatic stenosis of intracranial or extracranial artery

Description

Stenosis of intracranial or extracranial artery that has not caused TIA or cerebral ischemic stroke.

Index terms

  • Asymptomatic stenosis of intracranial or extracranial artery
  • narrowing of basilar, carotid or vertebral arteries, not resulting in cerebral infarction
  • partial obstruction of basilar, carotid or vertebral arteries, not resulting in cerebral infarction
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  • stenosis of carotid artery NOS
  • stenosis of internal carotid artery NOS
  • stenosis of precerebral arteries, not resulting in cerebral infarction
  • Asymptomatic stenosis of extracranial carotid artery
  • Atherosclerosis of extracranial portion of carotid artery
  • Asymptomatic stenosis of intracranial carotid artery
  • Atherosclerosis of intracranial portion of carotid artery
  • Asymptomatic stenosis of extracranial vertebral artery
  • Atheroma of extracranial portion of vertebral artery
  • Arteriosclerotic disease of extracranial portion of vertebral artery
  • Asymptomatic stenosis of intracranial vertebral artery
  • Atheroma of intracranial portion of vertebral artery
  • Arteriosclerotic disease of intracranial portion of vertebral artery
  • Asymptomatic stenosis of basilar artery
  • Asymptomatic stenosis of anterior cerebral artery
  • Asymptomatic stenosis of middle cerebral artery
  • Asymptomatic stenosis of posterior cerebral artery
  • Asymptomatic stenosis of certain specified intracranial or extracranial artery
  • internal auditory artery embolism
  • Cerebral atherosclerosis
  • arteriosclerotic brain disease
  • arteriosclerotic cerebral ischaemia
  • arteriosclerotic cerebrovascular disorder
  • atherosclerotic brain disease
  • atherosclerotic cerebrovascular disease
  • cerebral arteriosclerosis
  • cerebrovascular atheromatous disease
  • cerebrovascular atherosclerosis
  • Vertebral arterial arteriosclerotic disease

Inclusions

  • narrowing of basilar, carotid or vertebral arteries, not resulting in cerebral infarction

Excludes

  • 8B10 – Transient ischaemic attack
  • 8B11 – Cerebral ischaemic stroke

Exclusions from above levels

  • http://id.who.int/icd/entity/1059873720 – Diseases of coronary artery
  • 01 – Certain infectious or parasitic diseases
  • 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
  • 20 – Congenital malformations, deformations and chromosomal abnormalities
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • BD30 – Acute arterial occlusion
  • BD50 – Aortic aneurysm or dissection
  • BD51 – Arterial aneurysm or dissection, excluding aorta
  • BD52 – Certain specified disorders of arteries or arterioles
  • BD53 – Secondary disorders of arteries or arterioles
  • BD54 – Diabetic foot ulcer
  • BD56 – Asymptomatic occlusion of intracranial or extracranial artery
  • BD5Y – Other specified diseases of arteries or arterioles
  • BD5Z – Diseases of arteries or arterioles, unspecified

Foundation entity

Asymptomatic stenosis of intracranial or extracranial artery – http://id.who.int/icd/entity/860460764

Allowed postcoordination axes

Part of: 11: Diseases of the circulatory system