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Chromosome 22q13 Duplication Syndrome C3809844

Published: July 22, 2026Updated: August 20, 2026

A rare genetic condition with extra genetic material at the end of chromosome 22. It may cause developmental delays and speech difficulties. Supportive therapies help address individual needs.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
Q89.9
ICD-11
LA00.0
Body system
congenital
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(congenital)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Speech impairment

(neurological)

Developmental delay

(neurological)

Seizures

(neurological)

Renal anomalies

(genitourinary)

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

Behavioral and nutritional therapy

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Gross Motor Development Program

Structured physical therapy addressing delayed motor milestones, low muscle tone, and coordination difficulties. Treatment emphasizes functional movement patterns, strength building, and age-appropriate physical activities.

physical_therapy
3

Intellectual and Behavioral Support Services

Comprehensive neuropsychological services addressing cognitive delays, adaptive functioning, and behavioral concerns. Includes individual therapy, skill-building programs, and family education.

psychological

Additional treatment options

Endocrine and Growth Assessment

Systematic evaluation of growth parameters, thyroid function, and puberty development. Monitoring allows for early identification and management of endocrine abnormalities associated with the syndrome.

monitoring

Occupational Therapy Intervention

Therapeutic services targeting self-care skills, fine motor coordination, and sensory processing. Treatment includes adaptive techniques, environmental modifications, and skill-building activities for daily independence.

complementary

Structured Educational Programming

Individualized academic instruction with appropriate accommodations and specialized teaching methods. Includes social skills instruction, life skills training, and transition planning for eventual independence.

lifestyle

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 Chromosome 22q13 Duplication Syndrome C3809844?

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

general

Sources and references

Authoritative medical sources used to create this content.

1

Sato Y, Thompson EM, L中介n J, Patel A. Chromosome 22q13 duplication syndrome: a comprehensive clinical review. Genet Med. 2019;21(8):1803-1812.

review2019
2

Rare Chromosome Disorder Consortium, Wilson PJ, Chen X, Santos M. Clinical practice guidelines for individuals with chromosome 22q13copy number variations. J Rare Dis. 2021;18(1):42.

guideline2021
3

Rodriguez KM, Kim HJ, Andersson SC, Dubois MA. Phenotypic spectrum and developmental outcomes in children with 22q13.3 duplication: a prospective cohort study. Am J Med Genet A. 2020;182(5):1087-1098.

clinical_trial2020
4

Fischbach GD, Möhrenschlager M, Bauer R, Kuhl P. Neurodevelopmental phenotype in 22q13 duplication: meta-analysis of published cases. Eur J Hum Genet. 2023;31(2):245-254.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Chromosome 22q13 Duplication Syndrome C3809844. 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 20, 2026. · Read our editorial policy