Developmental And Epileptic Encephalopathy 73 C5193065
A rare genetic disorder causing severe epilepsy and profound developmental impairment starting in infancy. Management includes antiepileptic medications and developmental therapies.
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
Epileptic seizures
Myoclonus
Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Cognitive impairment
(neurologic)Optic nerve atrophy
(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
Drug therapy and clinical monitoring
Active treatment with regular monitoring by a healthcare provider is recommended.
Personalized Antiseizure Therapy
Targeted ASM selection based on seizure classification, genetic findings when available, and individual tolerability profile. Combination therapy considered for inadequate control.
Low Glycemic Index Treatment (LGIT)
Dietary approach restricting carbohydrates to those with low glycemic index while allowing adequate protein and fat. Less restrictive than full ketogenic diet with potential seizure benefits.
Additional treatment options
Intensive Developmental Therapy
Comprehensive therapy program combining physical, occupational, and speech therapy in an intensive schedule to maximize developmental gains during critical periods.
physical_therapyMultidisciplinary Epilepsy Monitoring Unit (EMU) Evaluation
Inpatient video-EEG monitoring to characterize seizure types, assess medication efficacy, and identify potential surgical candidates.
monitoringAssistive Technology and Communication Support
Implementation of AAC (augmentative and alternative communication) devices, adaptive equipment, and environmental controls to enhance function and independence.
complementaryWhen 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 73 C5193065?
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.
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 26, 2026. · Read our editorial policy