Grin2a Related Disorders Cn381066
A spectrum of conditions linked to GRIN2A gene mutations that affect brain signaling. Individuals may have epilepsy, intellectual disability, and movement disorders. Care is supportive and tailored to symptoms.
Key facts at a glance
- ICD-10
- G43.909
- 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
Refractory seizures
Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Severe intellectual disability
(neurologic)Hypotonia
(neurologic)Cortical visual impairment
(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
Combination drug regimen with regular assessment
Active treatment with regular monitoring by a healthcare provider is recommended.
Individualized Seizure Management
Customized anticonvulsant therapy based on the specific GRIN2a variant and associated epilepsy phenotype provides the foundation for neurological symptom control.
Motor Skills Development Program
Age-appropriate physical therapy focusing on gross and fine motor skills helps address hypotonia, coordination difficulties, and movement disorders associated with the condition.
Additional treatment options
Neurodevelopmental Support Services
Comprehensive psychological support including cognitive remediation, behavioral strategies, and academic accommodations helps maximize functional abilities and quality of life.
psychologicalMultidisciplinary Surveillance
Regular follow-up with neurology, developmental pediatrics, and associated specialists ensures comprehensive care and timely intervention for emerging issues.
monitoringKetogenic Diet Consideration
In patients with refractory epilepsy associated with GRIN2a disorders, the ketogenic diet may be considered as an adjunct therapy when standard anticonvulsants are ineffective.
dietaryWhen 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 Grin2a Related Disorders Cn381066?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
Compare medications used to treat Grin2a Related Disorders Cn381066. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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 27, 2026. · Read our editorial policy