G46.5 Pure motor lacunar syndrome

Billable ICD-10-CM code, FY2026.

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) 070-072 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 437.8 Other ill-defined cerebrovascular disease (approximate)

Diagnosis Index entries for G46.5

• Syndrome › pure › motor lacunar

Nearby 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 (this code)
• G46.6 Pure sensory lacunar syndrome
• G46.7 Other lacunar syndromes
• G46.8 Other vascular syndromes of brain in cerebrovascular diseases