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I67.4 Hypertensive encephalopathy
BackI67Other cerebrovascular diseasesCategory10 →I67.0Dissection of cerebral arteries, nonrupturedCategoryI67.1Cerebral aneurysm, nonrupturedCategoryI67.2Cerebral atherosclerosisCategoryI67.3Progressive vascular leukoencephalopathyCategoryI67.4Hypertensive encephalopathyCategoryI67.5Moyamoya diseaseCategoryI67.6Nonpyogenic thrombosis of intracranial venous systemCategoryI67.7Cerebral arteritis, not elsewhere classifiedCategoryI67.8Other specified cerebrovascular diseasesCategory6 →I67.81Acute cerebrovascular insufficiencyCategoryI67.82Cerebral ischemiaCategoryI67.83Posterior reversible encephalopathy syndromeCategoryI67.84Cerebral vasospasm and vasoconstrictionCategory2 →I67.841Reversible cerebrovascular vasoconstriction syndromeCategoryI67.848Other cerebrovascular vasospasm and vasoconstrictionCategoryI67.85Hereditary cerebrovascular diseasesCategory2 →I67.850Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathyCategoryI67.858Other hereditary cerebrovascular diseaseCategoryI67.89Other cerebrovascular diseaseCategoryI67.9Cerebrovascular disease, unspecifiedCategory
CategoryCODABLE
I67.4
Hypertensive encephalopathy
EXCLUDES
Excludes2: insufficiency, NOS, of precerebral arteries (G45.2)
CODING RULE
Code also: , if applicable, associated hypertensive conditions such as:
essential (primary) hypertension (I10)
hypertensive chronic kidney disease (I12.-)
hypertensive heart and chronic kidney disease (I13.-)
hypertensive heart disease (I11.-)
essential (primary) hypertension (I10)
hypertensive chronic kidney disease (I12.-)
hypertensive heart and chronic kidney disease (I13.-)
hypertensive heart disease (I11.-)
- Chapter
- IX · Diseases of the circulatory system
- Section
- I60-I69
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.