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Developmental And Epileptic Encephalopathy 6a Cn293401

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

A rare genetic developmental and epileptic encephalopathy causing severe seizures and cognitive impairment. Treatment combines anti-seizure drugs with developmental therapies.

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

!

Infantile spasms

Generalized symptoms

(neurologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Severe intellectual disability

(neurologic)

Movement disorder

(neurologic)

Dysphagia

(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

Combination Antiepileptic Therapy

Strategic use of multiple antiepileptic agents to achieve synergistic seizure control in treatment-resistant cases.

medication
2

Drug therapy and clinical monitoring

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

medication
3

Intensive Rehabilitation Program

Comprehensive physical and occupational therapy addressing motor deficits, coordination, and functional independence.

physical_therapy

Additional treatment options

Responsive Neurostimulation

Implantable closed-loop system that detects seizures and delivers targeted electrical stimulation to abort events.

procedure

Low Glycemic Index Treatment

Dietary approach using foods with low glycemic index to provide metabolic seizure protection.

dietary

Ambulatory EEG Recording

Outpatient EEG monitoring to track seizure patterns and treatment efficacy without hospitalization.

monitoring

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 6a Cn293401?

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 6a Cn293401. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

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