G46

Vascular syndromes of brain in cerebrovascular diseases

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027

SourceCMS ICD-10-CM order file

ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

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

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.