G45.0 is the authoritative medical code for Vertebro-basilar artery syndrome. This classification is used in medical billing and clinical recording to specify the clinical criteria for vertebro-basilar artery syndrome (ICD-10-CM G45.0), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Vertebro-basilar artery syndrome is a billable ICD-10-CM diagnosis code G45.0. Excludes1 (not coded here): neonatal cerebral ischemia P91.0; transient retinal artery occlusion H34.0-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for G45.0 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- neonatal cerebral ischemia P91.0
- transient retinal artery occlusion H34.0-
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with G45.0?
Per Excludes1 instructions, G45.0 must not be reported with: neonatal cerebral ischemia (P91.0); transient retinal artery occlusion (H34.0-).
Codes in This Family (7)
Official ICD-10-CM classifications in the same code family as G45.0, with their registry titles.
- G45 — Transient cerebral ischemic attacks and related syndromes
- G45.1 — Carotid artery syndrome (hemispheric)
- G45.2 — Multiple and bilateral precerebral artery syndromes
- G45.3 — Amaurosis fugax
- G45.4 — Transient global amnesia
- G45.8 — Other transient cerebral ischemic attacks and related syndromes
- G45.9 — Transient cerebral ischemic attack, unspecified
Indexed Clinical Terms (6)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Insufficiency, insufficient, arterial, basilar
- Insufficiency, insufficient, arterial, vertebral
- Syndrome, basilar artery
- Syndrome, vertebral, artery
- Syndrome, vertebral, steal
- Syndrome, vertebro-basilar artery
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code G40.0
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ICD Code G44.0
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