G46: Vascular syndromes of brain in cerebrovascular diseases
Codes under G46 (Vascular syndromes of brain in cerebrovascular diseases). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| G46.0 | Middle cerebral artery syndrome | ✓ |
| G46.0 | Middle cerebral artery syndrome | ✓ |
| G46.1 | Anterior cerebral artery syndrome | ✓ |
| G46.1 | Anterior cerebral artery syndrome | ✓ |
| G46.2 | Posterior cerebral artery syndrome | ✓ |
| G46.2 | Posterior cerebral artery syndrome | ✓ |
| G46.3 | Brain stem stroke syndrome | ✓ |
| G46.3 | Brain stem stroke syndrome | ✓ |
| G46.4 | Cerebellar stroke syndrome | ✓ |
| G46.4 | Cerebellar stroke syndrome | ✓ |
| G46.5 | Pure motor lacunar syndrome | ✓ |
| G46.5 | Pure motor lacunar syndrome | ✓ |
| G46.6 | Pure sensory lacunar syndrome | ✓ |
| G46.6 | Pure sensory lacunar syndrome | ✓ |
| G46.7 | Other lacunar syndromes | ✓ |
| G46.7 | Other lacunar syndromes | ✓ |
| G46.8 | Other vascular syndromes of brain in cerebrovascular diseases | ✓ |
| G46.8 | Other vascular syndromes of brain in cerebrovascular diseases | ✓ |
Frequently asked questions
What is ICD-10-CM code G46?
G46 is an ICD-10-CM category covering Vascular syndromes of brain in cerebrovascular diseases. It contains 18 more specific diagnosis codes, 18 of which are billable.
Is G46 a billable code?
No — G46 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example G46.0 — Middle cerebral artery syndrome). 18 of the 18 codes under G46 are billable.
What codes fall under G46?
G46 includes G46.0, G46.0, G46.1, G46.1, G46.2, plus 13 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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