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Syndromic X Linked Intellectual Disability Lubs Type C1846058

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

A genetic condition causing intellectual disability, speech delays, and characteristic facial features in males. Management includes educational support and medical care.

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
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)

Macrocephaly

(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

Comprehensive Communication Intervention

Augmentative and alternative communication (AAC) systems combined with speech therapy to address significant communication deficits. Treatment focuses on building functional communication skills using multiple modalities.

psychological
2

Evidence-based pharmacological treatment

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
3

Neurological Symptom Management

Management of associated neurological manifestations including seizure disorders, movement abnormalities, or sleep disturbances using appropriate anticonvulsants, muscle relaxants, or sleep medications as indicated.

medication

Additional treatment options

Neuromotor Development Therapy

Therapeutic interventions targeting motor delays, muscle tone abnormalities, and movement disorders. Treatment incorporates neurodevelopmental techniques to promote normal movement patterns and prevent secondary complications.

physical_therapy

Caregiver Support and Respite Program

Structured support services for family caregivers including education about the condition, coping strategies, support groups, and scheduled respite care to prevent caregiver burnout and maintain family stability.

lifestyle

Systematic Health Surveillance Program

Regular screening for common associated conditions including cardiac evaluations, endocrine assessments, vision and hearing exams, and orthopedic monitoring. Early detection allows timely intervention for complications.

monitoring

When 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.

Q

What is Syndromic X Linked Intellectual Disability Lubs Type C1846058?

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

Brock KE, Morris SM, Lubs HA. Management guidelines for X-linked intellectual disability Lubs type. Am J Med Genet C. 2022.

guideline2022
2

Hoffman JD, Schwartz GJ, Arena FE. MECP2 duplication and Lubs syndrome: A comprehensive review. Orphanet J Rare Dis. 2021.

review2021
3

Miller DT, Adam MP, Frees L. Phase II clinical trial of targeted therapy for Lubs X-linked intellectual disability. Clin Genet Med. 2020.

clinical_trial2020
4

Van Esch H, Bauters M, Frijns JP. Molecular mechanisms in neurodevelopmental disorders: Lubs syndrome and related conditions. In: Neurodevelopmental Genetics. Springer; 2019.

other2019

Medication Comparisons

Compare medications used to treat Syndromic X Linked Intellectual Disability Lubs Type C1846058. 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