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Intellectual Developmental Disorder Autosomal Dominant 78 Cn382122

Published: July 22, 2026Updated: August 26, 2026

A genetic condition affecting intellectual development. Inherited in an autosomal dominant pattern, individuals require comprehensive, lifelong support including educational services, behavioral interventions, and assistance with daily living skills.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 26, 2026Editorial policy

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.

Generalized symptoms

(neurologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Learning disability

(neurologic)

Attention deficit

(neurologic)

Autistic features

(neurologic)

Peripheral neuropathy

(neurologic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

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

1

Exercise prescription and weight management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Speech and Language Therapy

Communication skill development through alternative communication methods, social communication training, and language comprehension support tailored to individual cognitive abilities.

psychological

Additional treatment options

Co-occurring Condition Treatment

Targeted pharmacological management for associated conditions such as epilepsy, anxiety disorders, or attention deficits commonly seen with this genetic condition.

medication

Nutritional Support Program

Balanced nutrition planning with consideration for common feeding difficulties, GI issues, or metabolic concerns that may accompany the condition to maintain healthy weight and optimal function.

dietary

Music Therapy

Therapeutic use of music to improve communication, emotional expression, social interaction, and motor coordination through structured musical activities and interventions.

complementary

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Intellectual Developmental Disorder Autosomal Dominant 78 Cn382122?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Medication Comparisons

Compare medications used to treat Intellectual Developmental Disorder Autosomal Dominant 78 Cn382122. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 26, 2026. · Read our editorial policy