Joubert Syndrome 21 C3810212
A rare genetic disorder impacting brain development, causing developmental delays, movement difficulties, and breathing irregularities. Requires lifelong multidisciplinary care to manage symptoms and support development.
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.
Developmental delay
(neurologic)Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Hypotonia
(neurologic)Ataxia
(neurologic)Polydactyly
(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
Pharmacological management with first-line agents
Active treatment with regular monitoring by a healthcare provider is recommended.
Regular Neurologic Monitoring
Comprehensive neurological assessments at regular intervals to track disease progression, respiratory patterns, and developmental milestones.
Intensive Physical Therapy
Targeted therapy focusing on balance, coordination, and motor skill development to improve mobility and prevent contractures.
Additional treatment options
Antiepileptic Management
Pharmacological intervention for seizure control using appropriate antiepileptic medications based on seizure type.
medicationRespiratory Intervention
Surgical or procedural interventions such as tracheostomy for severe respiratory compromise related to brainstem dysfunction.
surgicalOccupational Therapy Support
Adaptive techniques and assistive devices to enhance independence in daily activities and improve quality of life.
complementaryWhen 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 Joubert Syndrome 21 C3810212?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
Compare medications used to treat Joubert Syndrome 21 C3810212. 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 20, 2026. · Read our editorial policy