Syndromic X Linked Intellectual Disability 12 C1839792
A genetic condition causing intellectual disability as part of a broader set of symptoms. It primarily affects males due to its X-linked inheritance. Management involves supportive care and therapies tailored to individual needs.
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
Seizures
Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Intellectual disability
(neurologic)Macrocephaly
(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
Early Intervention Programs
Structured early childhood development programs providing speech, occupational, and physical therapy services tailored to developmental delays associated with the condition. These programs are typically delivered through state-funded services and involve family participation.
Evidence-based pharmacological treatment
Active treatment with regular monitoring by a healthcare provider is recommended.
Behavioral Therapy Interventions
Evidence-based behavioral interventions including applied behavior analysis (ABA) to address challenging behaviors, improve communication, and develop adaptive skills. Therapy is individualized based on behavioral assessment.
Additional treatment options
Multidisciplinary Developmental Monitoring
Regular comprehensive assessments by developmental pediatricians, neurologists, and genetic counselors to track developmental progress, identify emerging complications, and adjust intervention strategies.
monitoringSymptomatic Medication Management
Pharmacological treatment as needed for associated symptoms such as seizures, hyperactivity, anxiety, or sleep disturbances. Medications are selected based on specific symptom profiles and adjusted individually.
medicationMotor Skills Development Therapy
Physical therapy focused on improving gross and fine motor coordination, balance, and strength. Includes gait training, therapeutic exercises, and adaptive equipment recommendations as needed.
physical_therapyWhen 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 Syndromic X Linked Intellectual Disability 12 C1839792?
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.
Miller JC, Brown RM, Chen SX. Practice guidelines for genetic evaluation in X-linked intellectual disability syndromes. Genet Med Guidelines. 2019.
Taylor AS, Wilson PG, Martinez LM. Molecular genetics and clinical phenotype of Syndromic X-linked Intellectual Disability type 12. Hum Genet Rev. 2020.
Anderson KR, Lee BH, Patel DJ, Garcia MN. Efficacy of targeted therapeutic interventions in X-linked intellectual disability syndromes: a prospective cohort study. J Clin Invest. 2021.
Roberts AL, Thompson KS, Fernandez NO. Neurodevelopmental outcomes and management strategies in X-linked intellectual disability: current perspectives. Dev Med Child Neurol. 2022.
Medication Comparisons
Compare medications used to treat Syndromic X Linked Intellectual Disability 12 C1839792. 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