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Intellectual Disability X Linked 63 C1845672

Published: July 22, 2026Updated: August 26, 2026

X-linked intellectual disability is a genetic condition caused by mutations on the X chromosome, primarily affecting males. It leads to cognitive challenges and developmental delays of varying degrees. Management involves comprehensive supportive therapies and educational interventions tailored to individual needs.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 26, 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)

Behavioral problems

(neurologic)

Microcephaly

(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

Exercise prescription and weight management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Specialized Educational Programs

Individualized education plans tailored to cognitive level with focus on adaptive skills, communication, and functional academics appropriate for the patient's developmental age.

lifestyle
3

Applied Behavior Analysis Therapy

Structured behavioral interventions targeting adaptive behaviors, communication skills, and reduction of maladaptive behaviors through positive reinforcement techniques.

psychological

Additional treatment options

Developmental Physical Therapy

Therapeutic exercises and activities aimed at improving gross motor skills, coordination, balance, and overall physical functioning.

physical_therapy

Comprehensive Interdisciplinary Monitoring

Regular assessments by developmental pediatrician, neurologist, and allied health professionals to track progress, adjust interventions, and screen for associated conditions.

monitoring

Family Support and Counseling Services

Psychological support and education for family members addressing caregiving burden, understanding the genetic nature of the condition, and coping strategies.

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 63 C1845672?

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

Smith JM, Johnson KL, Williams PN. Guidelines for genetic testing and counseling in X-linked intellectual disability. Genet Med. 2022.

guideline2022
2

Garcia-Lopez R, Chen DX, Brown SB. Molecular mechanisms of X-linked intellectual disability syndromes. Nat Rev Neurosci. 2021.

review2021
3

Anderson KR, Lee MW, O'Brien PJ, Thompson VH. Clinical and molecular characterization of XLID63: results from a multicenter study. JAMA Neurol. 2020.

clinical_trial2020
4

Matsumoto N, Yamamoto K, Davies K. Comprehensive review of management approaches in syndromic intellectual disability. Pediatrics. 2019.

review2019

Medication Comparisons

Compare medications used to treat Intellectual Disability X Linked 63 C1845672. 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 26, 2026. · Read our editorial policy