G46 Vascular syndromes of brain in cerebrovascular diseases

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Vascular syndromes of brain in cerebrovascular diseases is G46 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
G40-G47: Episodic and paroxysmal disorders (G40-G47)
Category G46
10 codes (9 billable)
FY2026 Status
Stable since FY2024
Code First
  • underlying cerebrovascular disease (I60-I69)

Official Coding Guidelines

Dominant/nondominant side (TOC entry)

a. Dominant/nondominant side ................................................................................................. 45

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.6.a
Pain - Category G89 (TOC entry)

b. Pain - Category G89.............................................................................................................. 45

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.6.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

More Specific Codes

G46.0 Middle cerebral artery syndrome G46.1 Anterior cerebral artery syndrome G46.2 Posterior cerebral artery syndrome G46.3 Brain stem stroke syndrome G46.4 Cerebellar stroke syndrome G46.5 Pure motor lacunar syndrome G46.6 Pure sensory lacunar syndrome G46.7 Other lacunar syndromes G46.8 Other vascular syndromes of brain in cerebrovascular diseases

Related Codes in G46

G46.0 Middle cerebral artery syndrome G46.1 Anterior cerebral artery syndrome G46.2 Posterior cerebral artery syndrome G46.3 Brain stem stroke syndrome G46.4 Cerebellar stroke syndrome G46.5 Pure motor lacunar syndrome G46.6 Pure sensory lacunar syndrome G46.7 Other lacunar syndromes G46.8 Other vascular syndromes of brain in cerebrovascular diseases
Search all 70,000+ ICD-10-CM codes →
Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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