Periventricular Nodular Heterotopia 7 C4310669
A neurological condition present from birth where brain nerve cells develop in abnormal positions. Severity varies depending on associated complications like seizures.
Key facts at a glance
- ICD-10
- G40.909
- ICD-11
- 8A00.0
- Body system
- neurologic
- Severity
- severe
- Chronic
- true
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy