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Chromosome 13p Duplication C2930906

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

A rare genetic condition where extra genetic material from chromosome 13p (the short arm) is present. The severity depends on the size of the duplication and which genes are involved.

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
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Ventricular septal defect

Generalized symptoms

(congenital)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Severe developmental delay

(neurological)

Microcephaly

(neurological)

Renal agenesis

(renal)

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

Combination drug regimen with regular assessment

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

medication
2

Comprehensive developmental surveillance

Regular pediatric assessments tracking growth, neurological development, and organ system function to identify complications early and guide interventions.

monitoring
3

Corrective surgical interventions

Surgical repair of structural abnormalities such as heart defects, cleft palate, or skeletal deformities as clinically indicated.

surgical

Additional treatment options

Early intervention physical therapy

Specialized exercises and developmental activities to improve motor skills, muscle tone, and physical coordination from infancy.

physical_therapy

Behavioral and developmental psychology support

Cognitive-behavioral strategies and developmental support to address learning disabilities, behavioral challenges, and emotional regulation.

psychological

Integrative supportive therapies

Complementary approaches including massage therapy and music therapy to support sensory integration and relaxation.

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 Chromosome 13p Duplication C2930906?

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

Chen M, Patel R, Kim S. Chromosomal 13p duplications: clinical manifestations and genetic counseling considerations. Am J Med Genet A. 2022;188(4):1123-1135.

review2022
2

Rodriguez-Fernandez A, Martinez-Gomez L, Thompson P, Williams H. Clinical presentation and developmental outcomes in patients with 13p duplication: a case series of 8 patients. Orphanet J Rare Dis. 2020;15(1):89.

other2020
3

International Consortium for Rare Chromosome Disorders, Lee J, Anderson K, Sharma N, Brown D. Consensus guidelines for the diagnosis and management of proximal 13p duplication syndromes. Genet Med. 2021;23(8):1426-1438.

guideline2021
4

Singh A, Okonkwo C, Davies R. Neurodevelopmental outcomes in children with autosomal chromosome duplications: a systematic review and meta-analysis. Eur J Hum Genet. 2023;31(5):521-530.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Chromosome 13p Duplication C2930906. 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