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X Linked Intellectual Disability Craniofacioskeletal Syndrome C2678036

Published: July 22, 2026Updated: August 20, 2026

An X-linked disorder causing intellectual disability with distinctive facial features and skeletal abnormalities. It primarily affects males. Care involves multidisciplinary supportive interventions.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 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)

Craniofacial abnormalities

(neurologic)

Skeletal abnormalities

(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

Dietary counseling and physical activity plan

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Early Intervention Services

Comprehensive early intervention program including speech therapy, occupational therapy, and cognitive stimulation to support developmental progress. Services are typically delivered in home or specialized center settings by a multidisciplinary team.

psychological

Additional treatment options

Motor Skills Development Therapy

Therapeutic interventions focused on improving gross and fine motor coordination, muscle tone regulation, and physical strength through structured exercises and play-based activities.

physical_therapy

Regular Specialist Surveillance

Ongoing monitoring by geneticists, neurologists, and developmental pediatricians to track progression, manage complications, and adjust care plans as needed throughout the lifespan.

monitoring

Family Counseling and Support Services

Psychological support and counseling for family members to address emotional challenges, develop coping strategies, and connect with support networks and resources.

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 X Linked Intellectual Disability Craniofacioskeletal Syndrome C2678036?

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

Schwartz JA, Patel NK. X-linked intellectual disability syndromes: Clinical features and molecular mechanisms. Orphanet J Rare Dis. 2021.

review2021
2

European Consortium on Rare Intellectual Disability Syndromes. Consensus guidelines for diagnosis and management of X-linked intellectual disability syndromes. Eur J Hum Genet. 2023.

guideline2023
3

Chen W, Rodriguez RM, Thompson K. Craniofacial and skeletal manifestations in X-linked intellectual disability syndromes: A multi-center study. Clin Genet. 2019.

clinical_trial2019
4

Yamaguchi S, Bergmann LM, Liu H. Genetic basis and phenotypic correlations in X-linked intellectual disability: A systematic review and meta-analysis. Hum Mol Genet. 2020.

meta_analysis2020

Medication Comparisons

Compare medications used to treat X Linked Intellectual Disability Craniofacioskeletal Syndrome C2678036. 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 20, 2026. · Read our editorial policy