Skip to content

Intellectual Developmental Disorder Autosomal Recessive 80 With Variant Lissencephaly C5882733

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

An inherited disorder causing intellectual disability due to incomplete brain development, specifically affecting the brain's surface folds. Both parents must carry the gene for a child to be affected. Treatment focuses on developmental support and symptom management.

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
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Epilepsy

Generalized symptoms

(neurologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Severe intellectual disability

(neurologic)

Spasticity

(neurologic)

Hydrocephalus

(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

Early Intervention Physical Therapy

Structured physical therapy program focusing on motor development, muscle tone normalization, and prevention of contractures. Therapists work on balance, coordination, and functional mobility appropriate to developmental level.

physical_therapy
2

Pharmacological management with first-line agents

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
3

Cognitive and Behavioral Support Services

Individualized psychological interventions including behavioral therapy, cognitive support strategies, and family counseling to address developmental challenges and improve adaptive functioning.

psychological

Additional treatment options

Neurological and Developmental Monitoring

Regular comprehensive assessments of neurological status, developmental progress, seizure activity, and functional abilities to guide treatment adjustments.

monitoring

Sensory Integration Therapy

Therapeutic approach addressing sensory processing difficulties commonly associated with lissencephaly, helping improve tolerance to sensory stimuli and daily functioning.

complementary

When to seek medical help

Recognize when you need immediate medical attention.

See a doctor within 24 hours

Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.

Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Intellectual Developmental Disorder Autosomal Recessive 80 With Variant Lissencephaly C5882733?

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 Recessive 80 With Variant Lissencephaly C5882733. 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