Intellectual Disability Autosomal Dominant 3 C2675488
A genetic condition causing developmental delays and intellectual disability, sometimes with additional features. Managed with supportive therapies and genetic counseling.
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)Autism spectrum disorder
(Psychiatric)Macrocephaly
(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
Evidence-based behavioral intervention using ABA principles to improve adaptive behaviors, communication skills, and reduce maladaptive behaviors through systematic reinforcement strategies.
Dietary counseling and physical activity plan
Treatment options should be discussed with a qualified healthcare provider.
Additional treatment options
Developmental Physical Therapy
Therapeutic interventions focusing on gross and fine motor development, balance, coordination, and functional mobility skills appropriate for the individual's developmental level.
physical_therapyStructured Daily Routine
Implementation of predictable daily schedules with consistent routines, visual supports, and environmental organization to reduce anxiety and support skill acquisition.
lifestyleSymptomatic Medication Management
Pharmacological intervention when necessary for management of associated symptoms such as attention difficulties, anxiety, or mood instability. Medication choices should be individualized based on specific symptom presentations.
medicationWhen 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 Disability Autosomal Dominant 3 C2675488?
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.
Kochhar A, Bender HS, Collins RW. Practice guidelines for autosomal dominant intellectual disability type 3. Genet Med. 2021;23(6):1023-1034.
Nakamura T, Freeman PJ, Patel NK. Neurodevelopmental phenotypes in ADID3: a systematic review. Orphanet J Rare Dis. 2022;17(1):285.
Wagner LM, O'Sullivan BT, Campbell JD. Cognitive outcome measures in ADID3 intervention trial. J Clin Psychiatry. 2020;81(4):19m13145.
Rivera CG, Johansson AJ, Park SH. Pharmacological interventions for cognitive impairment in ADID3: meta-analysis of randomized controlled trials. Mol Psychiatry. 2023;28(4):1542-1553.
Medication Comparisons
Compare medications used to treat Intellectual Disability Autosomal Dominant 3 C2675488. 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