Developmental And Epileptic Encephalopathy 83 C5231487
A severe genetic disorder causing early-onset epilepsy and developmental delay or regression. Treatment involves anti-seizure medications and supportive developmental interventions.
Key facts at a glance
- ICD-10
- G40.909
- 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
Refractory seizures
Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Motor impairment
(neurologic)Sleep disturbance
(neurologic)Microcephaly
(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-epileptic drug therapy
First-line pharmacological management using appropriate anti-seizure medications tailored to seizure type and patient profile. Regular assessment of efficacy and side effects is essential.
Medication management with follow-up
Active treatment with regular monitoring by a healthcare provider is recommended.
Modified Atkins diet
Less restrictive alternative to ketogenic diet that may help control seizures through carbohydrate restriction. Requires dietitian guidance and regular follow-up.
Additional treatment options
Developmental physical therapy
Therapeutic exercises and activities promoting motor development, balance, coordination, and functional mobility. May include aquatic therapy options.
physical_therapyMusic therapy
Structured music-based interventions that may support neurological function, provide sensory stimulation, and improve mood and behavioral outcomes.
complementaryEEG monitoring and seizure diary
Regular video-EEG assessments combined with detailed seizure diaries maintained by caregivers to characterize seizure patterns and evaluate treatment efficacy.
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 83 C5231487?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
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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