I67.4
ICD-10BillableHypertensive encephalopathy
Official ICD-10-CM descriptor (FY2026)
Hypertensive encephalopathy
I67.4 is valid for submission on a claim — CMS flags it as a billable, specific code.
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- insufficiency, NOS, of precerebral arteries (G45.2)
Code also
Two codes may be needed; sequencing depends on the reason for the encounter.
- , 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.-)
Related codes in I67
- I67.0Dissection of cerebral arteries, nonruptured
- I67.1Cerebral aneurysm, nonruptured
- I67.2Cerebral atherosclerosis
- I67.3Progressive vascular leukoencephalopathy
- I67.5Moyamoya disease
- I67.6Nonpyogenic thrombosis of intracranial venous system
- I67.7Cerebral arteritis, not elsewhere classified
- I67.8Other specified cerebrovascular diseasescategory
- I67.9Cerebrovascular disease, unspecified
Where this code sits
- Parent code
- I67
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.