Sin3a Related Intellectual Disability Syndrome Cn258628
A developmental disorder affecting brain function, leading to intellectual disability and sometimes physical features. It requires lifelong support including therapy and educational interventions.
Key facts at a glance
- ICD-10
- G40.909
- ICD-11
- 8A00.0
- Body system
- neurologic
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Developmental delay
(neurologic)Generalized symptoms
(neurologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Speech impairment
(neurologic)Behavioral problems (e.g., aggression, anxiety)
(neurologic)Facial dysmorphism
(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
Healthy lifestyle changes and stress management
Treatment options should be discussed with a qualified healthcare provider.
Physical and Occupational Therapy
Targeted physical therapy addresses motor delays, hypotonia, and coordination difficulties while occupational therapy focuses on fine motor skills, sensory integration, and activities of daily living independence.
Additional treatment options
Behavioral and Psychological Intervention
Specialized behavioral interventions address challenging behaviors, anxiety, and autism spectrum-related features through applied behavior analysis techniques and environmental modifications.
psychologicalMedical Comorbidity Surveillance
Regular monitoring for associated medical features including cardiac anomalies, seizures, genitourinary abnormalities, and visual or hearing impairment ensures early detection and intervention.
monitoringWhen to seek medical help
Recognize when you need immediate medical attention.
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Frequently asked questions
Common questions about this topic.
What is Sin3a Related Intellectual Disability Syndrome Cn258628?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy