I67.4
BillableHypertensive encephalopathy
Hypertensive encephalopathy
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •systemic connective tissue disordersM30-M36
- •transient cerebral ischemic attacks and related syndromesG45
- •sequelae of the listed conditionsI69.8
- •insufficiency, NOS, of precerebral arteriesG45.2
Use Additional Code
Additional codes that should follow this code
Code Also
A second code may be required; sequencing depends on circumstances
- , if applicable, associated hypertensive conditions such as:
- •essential (primary) hypertensionI10
- •hypertensive chronic kidney diseaseI12
- •hypertensive heart and chronic kidney diseaseI13
- •hypertensive heart diseaseI11
Related Codes(9)
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 diseases
I67.9Cerebrovascular disease, unspecified
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(19)
SNOMED CT
UMLS
- ENCEPH HYPERTENSIVEC0151620
- Encephalopathy hypertensiveC0151620
- Encephalopathy, HypertensiveC0151620
- HYPERTENSIVE ENCEPHC0151620
- Hypertensive EncephalopathyC0151620
- Hypertensive encephalopathyC0151620
- Hypertensive encephalopathy (disorder)C0151620
- encephalopathy hypertensiveC0151620
- hypertensive encephalopathyC0151620
Clinical Terms
- HYPERTENSIVE ENCEPH
- encephalopathy hypertensive
- Hypertensive encephalopathy (disorder)
- ENCEPH HYPERTENSIVE
- Encephalopathy, Hypertensive
- Dementia due to metabolic abnormality
- Dementia due to hypertensive encephalopathy
Frequently Asked Questions
What is the ICD-10 code for hypertensive encephalopathy?
The ICD-10-CM code for hypertensive encephalopathy is I67.4. The full clinical description is "Hypertensive encephalopathy". I67.4 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code I67.4 mean?
ICD-10-CM code I67.4 represents “Hypertensive encephalopathy”. It is classified under Chapter 9: Diseases of the Circulatory System and is a billable/specific code that can be used on a claim.
Is I67.4 a billable code?
Yes, I67.4 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is I67.4 in?
I67.4 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
What codes cannot be used with I67.4?
I67.4 has Excludes1 notes indicating codes that cannot be used together with it, including: traumatic intracranial hemorrhage (S06.-); Occlusion and stenosis of cerebral artery causing cerebral infarction (I63.3-I63.5-); Occlusion and stenosis of precerebral artery causing cerebral infarction (I63.2-).
Are additional codes required with I67.4?
Yes, when using I67.4, also report: presence of:; alcohol abuse and dependence (F10.-); exposure to environmental tobacco smoke (Z77.22); history of tobacco dependence (Z87.891); hypertension (I10-I1A); occupational exposure to environmental tobacco smoke (Z57.31); tobacco dependence (F17.-); tobacco use (Z72.0).
What SNOMED CT codes does I67.4 map to?
I67.4 maps to 3 SNOMED CT concepts: 1259531005, 722979008, 50490005. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for I67.4?
I67.4 is linked to 1 UMLS Concept Unique Identifier: C0151620. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does I67.4 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like hypertensive encephalopathy affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of I67.4?
I67.4 maps to the ICD-11 code: 8B22.8 (Hypertensive encephalopathy).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.