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Living with Intellectual disability, autosomal dominant 30

A rare genetic condition with developmental and speech delay, behavior and social challenges, and sometimes seizures or hearing loss.

Understanding Intellectual disability, autosomal dominant 30

Intellectual disability, autosomal dominant 30 is a rare genetic condition with developmental delay, speech delay, social difficulties, and behavior problems.

It can also include aggressive behavior and mood swings in childhood, unusual facial features, autism spectrum disorder, low muscle tone, epilepsy, and deafness. The loss of this gene may also cause some features of the 10p15.3 microdeletion syndrome.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Delayed speech and language
  • Mild intellectual disability
  • Low muscle tone (hypotonia)
  • Delayed movement skills
  • Aggressive behavior
  • Trouble with social interactions

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Your doctor may refer you to a specialist who knows rare conditions.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
A doctor familiar with rare conditions, plus specialists as needed
Expert care
Ask about multidisciplinary care centers for rare conditions
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with rare disease patient organizations for support
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
Can genetic testing for the ZMYND11 gene confirm the diagnosis?
Should hearing and seizures be checked?
What supports can help with behavior and social skills?

Quick facts

InheritanceAutosomal Dominant

Changes in the ZMYND11 gene cause this condition. Inheritance seems to be autosomal dominant, meaning one changed copy of the gene can be enough.

Also known as: autosomal dominant intellectual disability 30; intellectual developmental disorder, autosomal dominant 30, with speech delay and behavioral abnormalities; intellectual disability-expressive aphasia-facial dysmorphism syndrome caused by mutation in zmynd11; intellectual disability, autosomal dominant type 30; mrd30; zmynd11 intellectual disability-expressive aphasia-facial dysmorphism syndrome

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Intellectual disability, autosomal dominant 30GARD ID 13136 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Intellectual disability, autosomal dominant 30.

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