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)
- traumatic intracranial hemorrhage (S06.-)
- insufficiency, NOS, of precerebral artery (G45.-)
- insufficiency of precerebral arteries causing cerebral infarction (I63.0-I63.2)
Excludes 2
Conditions not included here, but the patient may have both
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- transient cerebral ischemic attacks and related syndromes (G45.-)
Use Additional Code
Additional codes that should follow this code
Child Codes (5)
Also Known As / Clinical Terms
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 ICD-10 code I65?
ICD-10-CM code I65 represents "Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction". It 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 you should also code: code to identify 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.
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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.