Intellectual Disability X Linked 1 C2931498
The most common inherited cause of intellectual disability, caused by changes in a gene on the X chromosome. Primarily affects males. Early intervention and supportive therapies improve outcomes.
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
Seizure disorder
Generalized symptoms
(neurologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Intellectual disability
(neurologic)Speech delay
(neurologic)Motor coordination impairment
(neurologic)Medication Comparisons
Compare medications used to treat Intellectual Disability X Linked 1 C2931498. 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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 26, 2026. · Read our editorial policy