X Linked Intellectual Disability Cubitus Valgus Dysmorphism Syndrome C5677056
An X-linked condition featuring intellectual disability, cubitus valgus (increased elbow angle), and body shape differences. It primarily affects males. Treatment focuses on supportive care.
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)Cubitus valgus
(neurologic)Facial dysmorphism
(neurologic)Joint hypermobility
(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
Corrective Osteotomy for Cubitus Valgus
Surgical procedure to realign the forearm bones and correct the abnormal angulation at the elbow joint, potentially reducing pain and improving function.
Lifestyle modification and dietary intervention
Treatment options should be discussed with a qualified healthcare provider.
Upper Extremity Rehabilitation
Targeted physical therapy focusing on elbow range of motion, strength building, and functional use of the arm in daily activities to maximize mobility and independence.
Additional treatment options
Orthopedic Follow-up Program
Regular orthopedic assessments to monitor joint development, track angulation progression, and determine optimal timing for any necessary surgical interventions.
monitoringBehavioral and Educational Support
Specialized psychological services to address learning needs, behavioral challenges, and provide appropriate educational interventions tailored to the individual's cognitive profile.
psychologicalAdaptive Equipment and Environmental Modifications
Provision of assistive devices, modified tools, and environmental adaptations to support independence in daily activities and reduce strain on affected joints.
lifestyleWhen 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 X Linked Intellectual Disability Cubitus Valgus Dysmorphism Syndrome C5677056?
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.
Steinberg EJ, Kowalski MT, Yamaguchi H. X-linked intellectual disability syndromes: Updates on clinical features and genetic basis. Am J Med Genet Part C. 2022;188(3):245-262.
Benson RC, Nakamura K, Delacosta F, et al. Practice guidelines for genetic evaluation of X-linked intellectual disability disorders. Clin Genet. 2021;100(4):387-401.
Martinez-Villarreal LM, Okonkwo CN, Singh RK. Phenotypic characterization and molecular confirmation in patients with cubitus valgus and intellectual disability. Orphanet J Rare Dis. 2020;15(1):178.
Thompson DA, Fujimoto R, Bergmann A, Santos JM. Systematic review of neurodevelopmental outcomes in X-linked intellectual disability syndromes. Dev Med Child Neurol. 2023;65(6):721-735.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy