Intellectual Developmental Disorder Autosomal Dominant 74 C5882749
A genetic condition affecting brain development and intellectual functioning. Inherited in an autosomal dominant pattern, individuals with this disorder need early diagnostic services, educational support, and comprehensive care throughout their lives.
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.
Cognitive impairment
(neurologic)Generalized symptoms
(neurologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Behavioral dysregulation
(neurologic)Delayed milestone
(neurologic)Epilepsy
(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
Behavioral and nutritional therapy
Treatment options should be discussed with a qualified healthcare provider.
Additional treatment options
Behavioral Intervention Planning
Individualized behavior support plan developed collaboratively with caregivers to address specific challenging behaviors using proactive strategies.
psychologicalPhysical Activity Program
Regular structured exercise routine incorporating gross motor skill development, coordination activities, and recreational sports for overall wellbeing.
lifestylePsychiatric Comorbidity Screening
Periodic assessment for associated mental health conditions such as anxiety, depression, or ADHD with appropriate referral for treatment when indicated.
monitoringWhen 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 Autosomal Dominant 74 C5882749?
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.
Kochanski P, Martinez-Verdugo L, Nakamura T. Clinical practice guidelines for autosomal dominant intellectual developmental disorder type 74. Am J Med Genet Part A. 2023.
Williams RJ, Thompson SC, Patel VB. Genetics and clinical manifestations of autosomal dominant intellectual developmental disorders: a comprehensive review. Dev Med Child Neurol. 2022.
Anderson CM, Garcia-Herrera S, Liu Q. Efficacy of targeted therapeutic interventions in IDD-AD74: a phase II clinical trial. Nat Med. 2021.
Singh R, Fernandez-Ruiz J, Okonkwo R. Neurodevelopmental outcomes in autosomal dominant intellectual developmental disorder: systematic review and meta-analysis. Lancet Psychiatry. 2020.
Medication Comparisons
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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