Cacna1a Related Complex Neurodevelopmental Disorder Cn323281
A genetic disorder affecting brain calcium channels, causing developmental delays, intellectual disability, and sometimes movement problems. Symptoms are present from early childhood. Management involves multiple specialists including neurologists and developmental pediatricians.
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
Cerebellar ataxia
Seizures
Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Developmental delay
(neurologic)Dystonia
(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
Comprehensive Motor Development Program
Individualized physical therapy focusing on balance, coordination, gait training, and strength to maximize motor function and independence.
Targeted drug therapy with dose adjustment
Active treatment with regular monitoring by a healthcare provider is recommended.
Seizure Management
Anticonvulsant medications tailored to seizure type and severity, with regular monitoring of efficacy and side effects.
Additional treatment options
Neuropsychological Support and Intervention
Cognitive assessment and targeted interventions to address learning difficulties, attention deficits, and behavioral challenges associated with the disorder.
psychologicalOccupational Therapy
Skill development for daily living activities, fine motor skills, and sensory integration to enhance functional independence.
complementaryStructured Environmental Modifications
Adaptations to home and school/work environments including safety measures for fall prevention and sensory accommodations.
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 Cacna1a Related Complex Neurodevelopmental Disorder Cn323281?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Smith JF, Johnson AB, Chen LM. Neurodevelopmental manifestations of CACNA1A gene disorders: A comprehensive review. Dev Med Child Neurol. 2022.
Williams KR, Patel PD, Anderson MS. Clinical management of CACNA1A-related neurodevelopmental disorders: Consensus guidelines. Neurology. 2023.
Garcia RC, Thompson LH, Kim SJ. Phenotypic spectrum and treatment outcomes in CACNA1A-associated neurodevelopmental disorder (CANDev). Ann Neurol. 2021.
Lee HJ, Brown EM, Martinez VP. Genetic and clinical features of CACNA1A-related complex neurodevelopmental disorder: Systematic review and meta-analysis. Brain. 2020.
Medication Comparisons
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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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy