ICD-10 diagnosis code
I65 Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction
I65 is the ICD-10 code for Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction. It is a three-character category divided into 6 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block I60–I69 (Cerebrovascular diseases) in Chapter IX, Diseases of the circulatory system.
- Code type
- Category (3 characters)
- Chapter
- IX · I00–I99
- Classification
- WHO ICD-10, 2019 version
What I65 includes
Conditions and terms that are coded here.
- embolism
- of basilar, carotid or vertebral arteries, not resulting in cerebral infarction
- narrowing
- of basilar, carotid or vertebral arteries, not resulting in cerebral infarction
- obstruction (complete)(partial)
- of basilar, carotid or vertebral arteries, not resulting in cerebral infarction
- thrombosis
- of basilar, carotid or vertebral arteries, not resulting in cerebral infarction
What I65 excludes
Conditions that look similar but belong under another code.
- when causing cerebral infarction I63.-
Subcodes of I65
- I65.0Occlusion and stenosis of vertebral artery
- I65.1Occlusion and stenosis of basilar artery
- I65.2Occlusion and stenosis of carotid artery
- I65.3Occlusion and stenosis of multiple and bilateral precerebral arteries
- I65.8Occlusion and stenosis of other precerebral artery
- I65.9Occlusion and stenosis of unspecified precerebral artery
I65 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DI65Okklusioner og stenoser af præcerebrale arterier uden hjerneinfarkt
I65Aivoinfarktia aiheuttamattomat aivoihin verta tuovien valtimoiden tukkeumat tai ahtaumat
I65Verschluss und Stenose präzerebraler Arterien ohne resultierenden Hirninfarkt
I65Occlusion et sténose des artères précérébrales, n'entraînant pas un infarctus cérébral
I65occlusie en stenose van precerebrale arteriën, niet resulterend in
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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