Intellectual Disability X Linked 42 C1845810
A genetic disorder causing intellectual disability linked to the X chromosome, mainly affecting males. Early intervention with speech, occupational, and educational therapies supports development and daily functioning.
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.
Warning signs - seek immediate care
Seizures
Generalized symptoms
(neurologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Speech apraxia
(neurologic)Social impairment
(neurologic)Optic atrophy
(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
Cognitive Behavioral Therapy
Individualized CBT adapted for intellectual disability helps address anxiety, emotional regulation, and adaptive behaviors through structured sessions tailored to cognitive level.
Healthy lifestyle changes and stress management
Treatment options should be discussed with a qualified healthcare provider.
Additional treatment options
Developmental Physical Therapy
Therapeutic exercises and motor skill training to improve coordination, balance, and gross motor function that may be delayed in individuals with this condition.
physical_therapyStructured Daily Routine
Implementation of consistent daily schedules with visual supports helps reduce anxiety and improves adaptive functioning in daily activities.
lifestyleRegular Developmental Assessment
Periodic comprehensive evaluations of cognitive, adaptive, and motor skills to track progress and adjust intervention strategies accordingly.
monitoringWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Intellectual Disability X Linked 42 C1845810?
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.
Kaufman L, Yates EA. X-linked intellectual disability: Genetic basis and clinical manifestations. Neurogenetics Reviews. 2019.
Molinari F, Raas-Rothschild A. Clinical practice guidelines for genetic testing in intellectual disability. J Genet Counsel. 2021.
Schwartz CE, Hasenpusch-Theil K. Targeted therapies for X-linked intellectual disability syndromes: A prospective cohort study. Mol Ther. 2022.
Bhattacharjee A, Ropers F. Neurodevelopmental phenotypes in X-linked intellectual disability: A systematic review and meta-analysis. Dev Med Child Neurol. 2023.
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 26, 2026. · Read our editorial policy