G46
Header — not billableVascular syndromes of brain in cerebrovascular diseases
The ICD-10 code for vascular syndromes of brain in cerebrovascular diseases is G46.
G46 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 9 more specific codes below.
Clinical notes
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •This code represents a manifestation. Documentation should identify the underlying condition, which must be coded first.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under G46
- G46.0Middle cerebral artery syndrome
- G46.1Anterior cerebral artery syndrome
- G46.2Posterior cerebral artery syndrome
- G46.3Brain stem stroke syndrome
- G46.4Cerebellar stroke syndrome
- G46.5Pure motor lacunar syndrome
- G46.6Pure sensory lacunar syndrome
- G46.7Other lacunar syndromes
- G46.8Other vascular syndromes of brain in cerebrovascular diseases
Related codes in this category
- G40Epilepsy and recurrent seizuresnon-billable header
- G43Migrainenon-billable header
- G44Other headache syndromesnon-billable header
- G45Transient cerebral ischemic attacks and related syndromesnon-billable header
- G47Sleep disordersnon-billable header
- G46Vascular syndromes of brain in cerebrovascular diseasesnon-billable header