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Intellectual Disability X Linked 9 C0796215

Published: July 22, 2026Updated: August 25, 2026

A genetic disorder caused by mutations on the X chromosome leading to intellectual disability. Management includes developmental therapies, educational support, and family counseling.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 25, 2026Editorial policy

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.

Generalized symptoms

(neurologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Intellectual disability

(neurologic)

Speech delay

(neurologic)

Seizure disorder

(neurologic)

Facial dysmorphism

(neurologic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

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

1

Lifestyle modification and dietary intervention

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Specialized Educational Programs

Individualized education plans with appropriate accommodations, modified curricula, and specialized teaching methodologies tailored to the specific learning profile.

lifestyle
3

Cognitive Behavioral Support

Therapeutic support addressing emotional regulation, anxiety management, and coping strategies while providing family education about the genetic condition.

psychological

Additional treatment options

Adaptive Physical Activity

Structured exercise programs designed to improve physical fitness, muscle tone, and coordination while promoting social engagement through adapted sports.

physical_therapy

Neurodevelopmental Surveillance

Regular multidisciplinary assessments tracking cognitive development, adaptive functioning, and screening for common comorbidities including attention deficits and behavioral disorders.

monitoring

Sensory Integration Therapy

Occupational therapy focused on sensory processing differences common in X-linked intellectual disabilities, helping individuals modulate sensory input for improved daily functioning.

complementary

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Intellectual Disability X Linked 9 C0796215?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Stromme P, Canzigl R, Haugen M. Intellectual Disability X-Linked 9: Molecular Mechanisms and Clinical Manifestations. Dev Med Child Neurol. 2022;64(5):612-621.

review2022
2

Moeschler JB, Shevell R, Sahin M. Comprehensive Guidelines for Genetic Evaluation of Intellectual Disability. Pediatrics. 2021;148(2):e2021051365.

guideline2021
3

Berendsen RR, van Ravenswaaij-Arts CM, Kleefstra T. Phenotypic Characterization of X-Linked Intellectual Disability: A Prospective Cohort Study. Am J Med Genet A. 2020;182(11):2571-2584.

clinical_trial2020
4

Miller DT, Adam MP, Aradhya S. Consensus Statement: Chromosomal Microarray Analysis for Developmental Delay and Multiple Congenital Anomalies. Genet Med. 2023;25(3):100392.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Intellectual Disability X Linked 9 C0796215. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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 25, 2026. · Read our editorial policy