I67.4

Billable

ChapterI00–I99

Ranksubcategory

Official Description

Hypertensive encephalopathy

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 9: Diseases of the Circulatory System (I00-I99).

Instructional Notes

Excludes2(Not included here)

insufficiency, NOS, of precerebral arteries (G45.2)

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.-)

General instructions are available for the parent sections:

View CH9 Notes View I60-I69 Notes View I67 Notes

Clinical Hierarchy

CH9Diseases of the circulatory system (I00-I99)

I60-I69Cerebrovascular diseases (I60-I69)

I67Other cerebrovascular diseases

I67.4Hypertensive encephalopathy

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I67.4:

categoryI67

Other cerebrovascular diseases

View context instructions

blockI60-I69

Cerebrovascular diseases (I60-I69)

View context instructions

chapterCH9

Diseases of the circulatory system (I00-I99)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to I67.4. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

5 raw paths

Degeneration, degenerative1 unique routes

cerebrovascular

due to hypertension→I67.4

Encephalopathy (acute)1 unique routes

hypertensive→I67.4

Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)1 unique routes

encephalopathy→I67.4

Lesion (s) (nontraumatic)2 unique routes

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 070

Other Cerebrovascular Disorders with MCC

DRG 071

Other Cerebrovascular Disorders with CC

DRG 072

Other Cerebrovascular Disorders without CC/MCC

Cross Reference

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