Developmental And Epileptic Encephalopathy 70 C4749023
A rare genetic disorder causing severe epilepsy and significant developmental delay in infants. Treatment focuses on seizure management and supportive care.
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
Generalized tonic-clonic seizures
Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Speech impairment
(neurologic)Behavioral problems
(neurologic)Vision problems
(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.]
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 26, 2026. · Read our editorial policy