G45.1
BillableCarotid artery syndrome (hemispheric)
Carotid artery syndrome (hemispheric)
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
Related Codes(6)
G45.0Vertebro-basilar artery syndrome
G45.2Multiple and bilateral precerebral artery syndromes
G45.3Amaurosis fugax
G45.4Transient global amnesia
G45.8Oth transient cerebral ischemic attacks and related synd
G45.9Transient cerebral ischemic attack, unspecified
Related Conditions
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(25)
SNOMED CT
- Carotid artery insufficiency syndrome76402003
- Taveras' syndrome76402003
- Carotid artery syndrome195200006
- Carotid artery syndrome hemispheric195200006
- Anterior circulation transient ischaemic attack230716006
- Anterior circulation transient ischemic attack230716006
- Carotid territory transient ischaemic attack230716006
- Carotid territory transient ischemic attack230716006
- Acute cerebral ischaemia16218291000119100
- Acute cerebral ischemia16218291000119100
UMLS
Clinical Terms
- Anterior circulation transient ischemic attack
- Carotid artery insufficiency syndrome
- Acute cerebral ischemia
- Taveras' syndrome
- Carotid artery syndrome
- Carotid territory transient ischaemic attack
- Carotid artery syndrome hemispheric (disorder)
- Carotid territory transient ischemic attack
- Acute cerebral ischaemia
- Carotid artery syndrome hemispheric
- Anterior circulation transient ischaemic attack
Frequently Asked Questions
What is the ICD-10 code for carotid artery syndrome (hemispheric)?
The ICD-10-CM code for carotid artery syndrome (hemispheric) is G45.1. The full clinical description is "Carotid artery syndrome (hemispheric)". G45.1 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code G45.1 mean?
ICD-10-CM code G45.1 represents “Carotid artery syndrome (hemispheric)”. It is classified under Chapter 6: Diseases of the Nervous System and is a billable/specific code that can be used on a claim.
Is G45.1 a billable code?
Yes, G45.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G45.1 in?
G45.1 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What codes cannot be used with G45.1?
G45.1 has Excludes1 notes indicating codes that cannot be used together with it, including: neonatal cerebral ischemia (P91.0); transient retinal artery occlusion (H34.0-).
What SNOMED CT codes does G45.1 map to?
G45.1 maps to 4 SNOMED CT concepts: 16218291000119100, 230716006, 76402003, 195200006. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G45.1?
G45.1 is linked to 1 UMLS Concept Unique Identifier: C0451678. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G45.1 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like carotid artery syndrome (hemispheric) 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 G45.1?
G45.1 maps to the ICD-11 code: 8B10.Y (Other specified transient ischaemic attack).
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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.