Mef2c Related Disorder Cn381096
A neurodevelopmental disorder from MEF2C gene mutations affecting brain development. Causes intellectual disability, developmental delay, seizures, and movement problems.
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
Epilepsy
Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Severe developmental delay
(neurologic)Autistic features
(neurologic)Movement disorders
(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 with clinical monitoring
Active treatment with regular monitoring by a healthcare provider is recommended.
Neuromotor development therapy
Early intervention physical therapy focusing on gross motor skills, balance, and coordination to maximize functional independence and prevent secondary complications.
Symptomatic seizure control
Antiepileptic drug therapy tailored to seizure type, with regular neurological follow-up to optimize seizure control and minimize side effects.
Additional treatment options
Cognitive and behavioral support
Neuropsychological evaluation and ongoing behavioral interventions to address intellectual disability, anxiety, and behavioral challenges common in MEF2C-related disorders.
psychologicalGrowth and developmental surveillance
Regular monitoring of growth parameters, developmental milestones, and systematic assessments of neurological, cardiac, and respiratory function.
monitoringWhen 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 Mef2c Related Disorder Cn381096?
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 25, 2026. · Read our editorial policy