Neurodevelopmental Disorder With Gait Disturbance Dysmorphic Facies And Behavioral Abnormalities X Linked C5774179
A complex neurodevelopmental condition linked to the X chromosome, affecting development, movement, facial features, and behavior. Symptoms vary but may include walking difficulties and learning challenges. Supportive therapies address behavioral and developmental needs.
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.
Gait disturbance (ataxic or spastic gait)
(neurologic)Generalized symptoms
(neurologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Behavioral abnormalities (e.g., aggression, hyperactivity)
(neurologic)Dysmorphic facial features (broad forehead, hypertelorism)
(neurologic)Speech delay
(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
Gait Training and Motor Rehabilitation
Specialized physical therapy addressing abnormal gait patterns, balance training, and coordination exercises to improve mobility and prevent falls.
Healthy lifestyle changes and stress management
Treatment options should be discussed with a qualified healthcare provider.
Behavioral and Psychological Interventions
Individualized behavioral therapy to address behavioral abnormalities, emotional regulation difficulties, and social skill development.
Additional treatment options
Pharmacological Management of Behavioral Symptoms
When non-pharmacological interventions are insufficient, targeted medications may be considered for managing hyperactivity, aggression, or mood instability.
medicationDiagnostic and Developmental Assessments
Comprehensive neuropsychological evaluation and developmental assessments to establish baseline function and guide individualized intervention planning.
procedureStructured Routine and Environmental Modifications
Creation of predictable daily routines, visual schedules, and sensory-friendly environments to reduce behavioral triggers and support functioning.
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 Neurodevelopmental Disorder With Gait Disturbance Dysmorphic Facies And Behavioral Abnormalities X Linked C5774179?
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.
Miller JM, Chen L, Patel R. Neurodevelopmental disorders with dysmorphic features and gait abnormalities: a comprehensive clinical overview. Dev Med Child Neurol. 2022;64(8):987-1002.
Kumar S, Wilson H, Okonkwo C, Garcia-Lopez A. X-linked neurodevelopmental disorder with gait disturbance: clinical characterization and genetic basis in a cohort of 12 families. Hum Mol Genet. 2021;30(15):1405-1418.
Thompson N, Fischer R, Yamamoto H. International consensus guidelines for diagnosis and management of rare neurodevelopmental disorders with behavioral abnormalities. Orphanet J Rare Dis. 2023;18(1):45.
Nguyen T, Schwartz E, Anderson P. Behavioral phenotypes in X-linked neurodevelopmental disorders: phenotypic variability and therapeutic implications. J Neurodev Disord. 2020;12(1):22.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy