G46.1
Billable codeAnterior cerebral artery syndrome
The ICD-10 code for anterior cerebral artery syndrome is G46.1.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- G46.0Middle 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
- G46.1Anterior cerebral artery syndrome
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 4358Approximate match
Associated MS-DRGs
G46.1 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 061Ischemic Stroke, Precerebral Occlusion or Transient Ischemia with Thrombolytic Agent with MCC
- DRG 062Ischemic Stroke, Precerebral Occlusion or Transient Ischemia with Thrombolytic Agent with CC
- DRG 063Ischemic Stroke, Precerebral Occlusion or Transient Ischemia with Thrombolytic Agent without CC/MCC
- DRG 069Transient Ischemia without Thrombolytic