G46.1 Anterior cerebral artery syndrome

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from G46 Vascular syndromes of brain in cerebrovascular diseases

Code first

• underlying cerebrovascular disease (I60-I69)

MS-DRG index

Defines the logic of DRG(s) 061-063 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 435.8 Other specified transient cerebral ischemias (approximate)

Diagnosis Index entries for G46.1

• Syndrome › cerebral › artery › anterior

Nearby codes

• G46 Vascular syndromes of brain in cerebrovascular diseases
• G46.0 Middle cerebral artery syndrome
• G46.1 Anterior cerebral artery syndrome (this code)
• 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