I66.2 is the ICD-10 code for Occlusion and stenosis of posterior cerebral artery. 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
I66.2 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
I66.2Okklusjon eller stenose av arteria cerebri posterior
DI662Okklusion eller stenose af arteria cerebri posterior uden hjerneinfarkt
- DI662AOkklusion af arteria cerebri posterior uden hjerneinfarkt
- DI662BStenose af arteria cerebri posterior uden hjerneinfarkt
I66.2Aivoinfarktia aiheuttamaton takimmaisen aivovaltimon tukkeuma tai ahtauma
I66.2Verschluss und Stenose der A. cerebri posterior
I66.2Occlusion et sténose de l'artère cérébrale postérieure
I66.2occlusie en stenose van arteria cerebri posterior
Listed through more specific codes:
- I66.21Occlusion and stenosis of right posterior cerebral artery
- I66.22Occlusion and stenosis of left posterior cerebral artery
- I66.23Occlusion and stenosis of bilateral posterior cerebral arteries
- I66.29Occlusion and stenosis of unspecified posterior cerebral artery
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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