Kcnd2 Related Neurodevelopmental Disorder With Or Without Seizures Cn378758
A genetic brain development condition that may include seizures. Symptoms and severity vary among affected individuals. Care focuses on managing neurological symptoms.
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
Seizures
Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Behavioral problems
(neurologic)Speech delay
(neurologic)Hypotonia
(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.
Seizure management when indicated
Antiseizure medication therapy for individuals presenting with seizures. Treatment is initiated only when seizures are confirmed and tailored to specific seizure types.
Developmental and behavioral intervention
Individualized developmental therapy addressing cognitive delays, behavioral challenges, and functional skill development. Interventions are tailored to neurodevelopmental profile.
Additional treatment options
Periodic developmental and seizure assessment
Regular monitoring of developmental progress and seizure status through clinical evaluations and appropriate investigations to guide treatment decisions.
monitoringMotor skills development program
Therapeutic interventions targeting gross and fine motor skill development, coordination, and functional mobility appropriate to the individual's developmental level.
physical_therapyStructured educational and behavioral support
Implementation of individualized educational plans and behavioral support strategies within school or community settings to maximize learning and social participation.
lifestyleWhen 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 Kcnd2 Related Neurodevelopmental Disorder With Or Without Seizures Cn378758?
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 20, 2026. · Read our editorial policy