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ICD-10 diagnosis code

I66.4 Occlusion and stenosis of multiple and bilateral cerebral arteries

This page in Swedish

I66.4 is the ICD-10 code for Occlusion and stenosis of multiple and bilateral cerebral arteries. It is a four-character subcategory of I66 (Occlusion and stenosis of cerebral arteries, not resulting in cerebral infarction), the most specific level in the WHO edition. It belongs to the block I60–I69 (Cerebrovascular diseases) in Chapter IX, Diseases of the circulatory system.

Code type
Subcategory (4 characters)
Chapter
IX · I00–I99
Classification
WHO ICD-10, 2019 version

I66.4 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

I66.4Ocklusion och stenos av multipla och bilaterala cerebrala artärer

NorwayICD-10-NO

I66.4Okklusjon eller stenose av flere eller bilaterale hjernearterier

DenmarkICD-10-DK

DI664Okklusion eller stenose af flere eller bilaterale cerebrale arterier uden hjerneinfarkt

  • DI664AOkklusion af bilaterale cerebrale arterier uden hjerneinfarkt
  • DI664BOkklusion af flere cerebrale arterier uden hjerneinfarkt
  • DI664CStenose af bilaterale cerebrale arterier uden hjerneinfarkt
  • DI664DStenose af flere cerebrale arterier uden hjerneinfarkt
FinlandICD-10-FI

I66.4Aivoinfarktia aiheuttamaton useiden tai molemminpuolisten aivovaltimoiden tukkeuma tai ahtauma

GermanyICD-10-GM

I66.4Verschluss und Stenose mehrerer und beidseitiger zerebraler Arterien

FranceICD-10-FR

I66.4Occlusion et sténose des artères cérébrales, multiples et bilatérales

NetherlandsICD-10-NL

I66.4occlusie en stenose van multipele en bilaterale cerebrale arteriën

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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