G45.2
✓ BillableMultiple and bilateral precerebral artery syndromes
Diseases of the nervous system (G00-G99)
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • neonatal cerebral ischemia (P91.0)
- • transient retinal artery occlusion (H34.0-)
Clinical Description
ICD-10-CM code G45.2 represents multiple and bilateral precerebral artery syndromes. This code falls under the Diseases of the nervous system (G00-G99) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 5-character code at the 4th level of specificity. This is the most specific code available in this subcategory. Coders should note that G45.2 has 2 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code G45.2?
ICD-10-CM code G45.2 is "Multiple and bilateral precerebral artery syndromes". It belongs to the category: Diseases of the nervous system (G00-G99).
Is G45.2 a billable ICD-10 code?
Yes, G45.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
What codes are excluded with G45.2?
G45.2 has 2 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Related Codes in G45
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)