Intellectual Developmental Disorder X Linked 114 C5974891
A genetic condition causing developmental delay and intellectual disability, inherited through X-linked inheritance. More common in males; supportive therapies and educational interventions are main treatments.
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.
Warning signs - seek immediate care
Febrile seizures
Developmental regression
(neurologic)Generalized symptoms
(neurologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Attention deficit
(neurologic)Dysmorphic features
(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
Applied Behavior Analysis (ABA) Therapy
Structured behavioral intervention targeting communication, social, and adaptive skills through positive reinforcement techniques. Sessions are typically conducted by trained therapists in clinical or home settings.
Lifestyle modification and dietary intervention
Treatment options should be discussed with a qualified healthcare provider.
Additional treatment options
Developmental Physical Therapy
Therapeutic exercises and activities designed to improve gross motor coordination, balance, and strength that often accompany X-linked intellectual disabilities.
physical_therapySymptom-Specific Pharmacological Management
Medication may be prescribed to address co-occurring conditions such as anxiety, attention difficulties, or mood instability commonly seen with developmental disorders.
medicationMusic and Art Therapy
Creative expression therapies that can improve communication, emotional regulation, and social interaction skills in a non-threatening therapeutic environment.
complementaryWhen 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 Intellectual Developmental Disorder X Linked 114 C5974891?
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.
Rauch A, Hoyer J, Zweier C. Clinical guidelines for genetic evaluation of intellectual developmental disorders. Eur J Hum Genet. 2022.
van Bokhoven H, Schwartz K, Kramer J. Neurodevelopmental phenotypes in X-linked disorders: mechanisms and clinical features. Nat Rev Neurosci. 2021.
Piton A, Redin C, Mandel JL. XLID-causing genes and their variants: a systematic approach to characterization. Am J Hum Genet. 2019.
Lubs H, Stevenson R, Schwartz C. Fragile X and X-linked intellectual disability: four decades of insight. Genet Med. 2020.
Medication Comparisons
Compare medications used to treat Intellectual Developmental Disorder X Linked 114 C5974891. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy