Developmental And Epileptic Encephalopathy 94 C3809278
A severe genetic condition with difficult-to-treat seizures and profound developmental delay caused by a specific gene mutation.
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
Cortical visual impairment
Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Seizures
(neurologic)Developmental delay
(neurologic)Spasticity
(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
Anti-seizure medication therapy
Seizure management through anti-epileptic drugs tailored to seizure type and patient response. Regular monitoring of efficacy and side effects is essential for optimal outcomes.
Drug therapy and clinical monitoring
Active treatment with regular monitoring by a healthcare provider is recommended.
Ketogenic diet therapy
High-fat, low-carbohydrate diet that may help reduce seizure frequency. Requires careful meal planning and supervision by a metabolic specialist.
Additional treatment options
Vagus nerve stimulation
Surgical implantation of a device that delivers electrical pulses to the vagus nerve to reduce seizure frequency. Typically considered when medications are ineffective.
procedureDevelopmental physical therapy
Individualized exercise and movement program to improve motor function, coordination, and prevent contractures associated with developmental encephalopathies.
physical_therapyElectroencephalogram and clinical monitoring
Regular EEG monitoring combined with clinical assessments to track disease progression and treatment response over time.
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 Developmental And Epileptic Encephalopathy 94 C3809278?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
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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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy