ICD-10 diagnosis code
I65.9 Occlusion and stenosis of unspecified precerebral artery
I65.9 is the ICD-10 code for Occlusion and stenosis of unspecified precerebral artery. It is a four-character subcategory of I65 (Occlusion and stenosis of precerebral 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
What I65.9 includes
Conditions and terms that are coded here.
- Precerebral artery NOS
I65.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
I65.9Ocklusion och stenos av ospecificerad precerebral artär
I65.9Okklusjon eller stenose av uspesifisert precerebral arterie
DI659Okklusion eller stenose af præcerebral arterie uden hjerneinfarkt UNS
I65.9Määrittämättömän aivoihin vievän valtimon aivoinfarktia aiheuttamaton tukkeuma tai ahtauma
I65.9Verschluss und Stenose einer nicht näher bezeichneten präzerebralen Arterie
I65.9Occlusion et sténose d'une artère précérébrale, sans précision
I65.9occlusie en stenose van niet-gespecificeerde precerebrale arterie
I65.9Occlusion and stenosis of unspecified precerebral 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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