I65
Non-billableOccls and stenosis of precerb art, not rslt in cereb infrc
Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- embolism of precerebral artery
- narrowing of precerebral artery
- obstruction (complete) (partial) of precerebral artery
- thrombosis of precerebral artery
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
Use Additional Code
Additional codes that should follow this code
Child Codes (5)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(16)
UMLS
- Embolism of precerebral arteryC0265092
- Embolism of precerebral artery (disorder)C0265092
- Precerebral artery embolismC0265092
- embolism of precerebral arteryC0265092
- Narrowing of precerebral arteryC0265089
- Precerebral artery stenosisC0265089
- Stenosis of precerebral arteryC0265089
- Stenosis of precerebral artery (disorder)C0265089
- narrowing of precerebral arteryC0265089
- Occls and stenosis of precerb art, not rslt in cereb infrcC0494611
- Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarctionC0494611
- Precerebral artery thrombosisC0265091
- Thrombosis of precerebral arteryC0265091
- Thrombosis of precerebral artery (disorder)C0265091
- thrombosis of precerebral arteryC0265091
- obstruction (complete) (partial) of precerebral arteryC4290146
Frequently Asked Questions
What is the ICD-10 code for occls and stenosis of precerb art, not rslt in cereb infrc?
The ICD-10-CM code for occls and stenosis of precerb art, not rslt in cereb infrc is I65. The full clinical description is "Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction". I65 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code I65 mean?
ICD-10-CM code I65 represents “Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction”. It is classified under Chapter 9: Diseases of the Circulatory System and is a non-billable header code. Use a more specific child code for billing purposes.
Is I65 a billable code?
No, I65 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 5 child codes under I65.
What chapter is I65 in?
I65 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
What codes cannot be used with I65?
I65 has Excludes1 notes indicating codes that cannot be used together with it, including: traumatic intracranial hemorrhage (S06.-); insufficiency, NOS, of precerebral artery (G45.-); insufficiency of precerebral arteries causing cerebral infarction (I63.0-I63.2).
What are the subcategories under I65?
I65 has 5 child codes, including: I65.0 (Occlusion and stenosis of vertebral artery), I65.1 (Occlusion and stenosis of basilar artery), I65.2 (Occlusion and stenosis of carotid artery), I65.8 (Occlusion and stenosis of other precerebral arteries), and 1 more.
Are additional codes required with I65?
Yes, when using I65, 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 are the UMLS CUIs for I65?
I65 is linked to 5 UMLS Concept Unique Identifiers: C0265092, C0265089, C0494611, C0265091, C4290146. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does I65 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like occls and stenosis of precerb art, not rslt in cereb infrc 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 I65?
I65 maps to the ICD-11 code: BD55 (Asymptomatic stenosis of intracranial or extracranial artery).
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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.