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ICD-10 diagnosis code

I66.3 Occlusion and stenosis of cerebellar arteries

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I66.3 is the ICD-10 code for Occlusion and stenosis of cerebellar 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

I66.3 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

I66.3Ocklusion och stenos av cerebellära artärer

NorwayICD-10-NO

I66.3Okklusjon eller stenose av cerebellar arterie

DenmarkICD-10-DK

DI663Okklusion eller stenose af cerebellar arterie uden hjerneinfarkt

  • DI663AOkklusion af cerebellar arterie uden hjerneinfarkt
  • DI663BStenose af cerebellar arterie uden hjerneinfarkt
FinlandICD-10-FI

I66.3Aivoinfarktia aiheuttamaton pikkuaivovaltimoiden tukkeuma tai ahtauma

GermanyICD-10-GM

I66.3Verschluss und Stenose der Aa. cerebelli

FranceICD-10-FR

I66.3Occlusion et sténose des artères cérébelleuses

NetherlandsICD-10-NL

I66.3occlusie en stenose van arteriae cerebellares

United StatesICD-10-CM

I66.3Occlusion and stenosis of cerebellar arteries

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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