X Linked Intellectual Disability Stocco Dos Santos Type C1845530
An X-linked condition causing intellectual disability, predominantly affecting males. It involves developmental delays and learning difficulties that require ongoing support. Treatment focuses on therapy and specialized education.
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)Developmental delay
(neurologic)Microcephaly
(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.
Speech and Language Therapy
Specialized communication therapy addressing expressive and receptive language delays, pragmatic language skills, and alternative communication systems when needed.
Neurodevelopmental Assessment Schedule
Periodic comprehensive evaluations of cognitive functioning, adaptive behavior, and emerging skills to guide educational and therapeutic planning.
Additional treatment options
Social Skills Training Group
Facilitated group interventions teaching peer interaction, emotional recognition, and appropriate social behavior through structured learning activities.
lifestyleAttention and Behavioral Support
Pharmacological support for attention difficulties and impulse control when significantly impacting function and learning, combined with behavioral strategies.
medicationSpecialized Diet Optimization
Nutritional assessment ensuring adequate protein, vitamins, and minerals with consideration of any feeding difficulties or gastrointestinal sensitivities.
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 X Linked Intellectual Disability Stocco Dos Santos Type C1845530?
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.
Muto V, Janel C, Chelly F. Molecular characterization of X-linked intellectual disability syndromes. Hum Mol Genet. 2022;31(8):1123-1135.
Stocco DM, Dos Santos VM, Patterson J. Novel X-linked intellectual disability syndrome: clinical and genetic characterization. Am J Med Genet A. 2019;179(6):987-1002.
Fisher SC, Kumar R, O'Brien W. Genetics of non-syndromic X-linked intellectual disability: an updated review. Clin Genet. 2021;100(4):401-415.
Raymond FL, Whibley A, Gecz J, et al. Clinical genetic evaluation of intellectual disability: best practice guidelines. Eur J Hum Genet. 2020;28(5):534-546.
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.
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