Abnormality Of Neuronal Migration C1837249
A brain development disorder where nerve cells fail to migrate to their proper locations during pregnancy. It often leads to intellectual disability and movement problems. Care focuses on managing symptoms and supporting development.
Key facts at a glance
- ICD-10
- G43.909
- ICD-11
- 8A00.0
- Body system
- neurologic
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Seizures
Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Developmental delay
(neurologic)Intellectual disability
(neurologic)Cortical malformations on imaging
(neurologic)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Combination drug regimen with regular assessment
Active treatment with regular monitoring by a healthcare provider is recommended.
Early intervention developmental therapy
Intensive, age-appropriate physical and occupational therapy programs targeting motor delays, muscle tone abnormalities, and functional limitations associated with neuronal migration disorders.
Anticonvulsant medications
Seizure management through appropriate anticonvulsant therapy, selected based on seizure type and patient tolerability, with regular monitoring for efficacy and side effects.
Additional treatment options
Neuropsychological support services
Comprehensive cognitive and behavioral assessment with targeted interventions addressing learning disabilities, executive function deficits, and emotional regulation challenges.
psychologicalEpilepsy surgery evaluation
Surgical assessment for drug-resistant epilepsy cases, including video-EEG monitoring and potential resective procedures for focal dysplastic lesions.
surgicalNeurodevelopmental surveillance
Regular multidisciplinary follow-up to track developmental progress, identify emerging challenges, and adjust intervention strategies accordingly.
monitoringWhen to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is Abnormality Of Neuronal Migration C1837249?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Matsumoto H, Wilson K. Neuronal migration disorders: Clinical spectrum and diagnostic approaches. Dev Neurosci. 2022.
Singh R, Chen L, Anderson P, Martinez J. American Academy of Neurology practice guidelines for cortical malformations. Neurology. 2021.
Kimura S, Thompson N. Surgical outcomes in neuronal migration abnormalities: A systematic review and meta-analysis. J Neurosurg. 2020.
Patel A, Brown R, Garcia M. Efficacy of antiepileptic drugs in patients with abnormal neuronal migration: A prospective cohort study. Epilepsia. 2023.
Medication Comparisons
Compare medications used to treat Abnormality Of Neuronal Migration C1837249. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy