I67.4
Billable codeHypertensive encephalopathy
The ICD-10 code for hypertensive encephalopathy is I67.4.
Clinical notes
Code also
Two codes may be needed to fully describe a condition, but unlike Code First/Use Additional Code, the sequencing order is not mandated by convention.
Excludes2 (not included here)
An Excludes2 note means the excluded condition is not part of this one, but a patient can have both at the same time — in that case both codes may be reported together.
- insufficiency, NOS, of precerebral arteries (G45.2)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- 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 diseasesnon-billable header
- I67.9Cerebrovascular disease, unspecified
- I67.4Hypertensive encephalopathy
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 4372
Associated MS-DRGs
I67.4 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.