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Developmental And Epileptic Encephalopathy 70 C4749023

Published: July 22, 2026Updated: August 26, 2026

A rare genetic disorder causing severe epilepsy and significant developmental delay in infants. Treatment focuses on seizure management and supportive care.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 26, 2026Editorial policy

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

1

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

1

Antiseizure Medication (ASM) Therapy

First-line treatment using appropriate antiseizure medications tailored to seizure type and patient profile. Regular monitoring for efficacy and side effects guides dose adjustments.

medication
2

Targeted drug therapy with dose adjustment

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
3

Ketogenic Diet

High-fat, low-carbohydrate diet that may help reduce seizure frequency when medications are insufficient. Requires dietitian supervision and regular metabolic monitoring.

dietary

Additional treatment options

Continuous EEG Monitoring

Regular electroencephalogram surveillance to assess seizure burden and guide treatment modifications. Video-EEG monitoring may be needed for characterization of events.

monitoring

Early Intervention Physical Therapy

Structured motor development program addressing hypotonia, coordination, and movement disorders common in developmental encephalopathies.

physical_therapy

Genetic Counseling and Family Support

Comprehensive genetic counseling to understand inheritance patterns, recurrence risks, and available family planning options.

complementary

When 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.

Q

What is Developmental And Epileptic Encephalopathy 70 C4749023?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Medication Comparisons

Compare medications used to treat Developmental And Epileptic Encephalopathy 70 C4749023. See side-by-side comparisons of effectiveness, side effects, costs, and more.

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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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