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Chromosome 14q Proximal Duplication C2931700

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

A genetic disorder involving duplication of genetic material on chromosome 14. It can lead to developmental delays, physical abnormalities, and health problems. Care involves symptom management and supportive therapies.

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

Global developmental delay

(neurological)

Facial dysmorphism

(head_and_neck)

Hearing loss

(ear_nose_throat)

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

Drug therapy and clinical monitoring

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

medication
2

Neurodevelopmental assessment and monitoring

Comprehensive neurological and developmental evaluations to assess cognitive function, identify developmental delays, and establish appropriate educational interventions.

monitoring
3

Physical and occupational therapy program

Therapeutic exercises and activities addressing hypotonia, motor coordination difficulties, and promoting functional independence in daily activities.

physical_therapy

Additional treatment options

Individualized educational support plan

Development of personalized learning strategies, classroom accommodations, and educational interventions tailored to cognitive abilities and learning style.

lifestyle

Growth and endocrine function surveillance

Regular monitoring of growth parameters, puberty progression, and endocrine markers to identify and address growth or hormonal abnormalities.

monitoring

Family support and genetic counseling services

Psychosocial support and genetic education for families, providing information about the condition, community resources, and family coping strategies.

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 14q Proximal Duplication C2931700?

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

Patel S, Chen J, Williams K. Chromosome 14q proximal duplications: A comprehensive clinical and molecular review. Am J Med Genet C Semin Med Genet. 2020.

review2020
2

International Consortium for Chromosomal Disorders. Practice guidelines for genetic evaluation of proximal 14q duplications. Genet Med. 2019.

guideline2019
3

Martinez-Fernandez ML, Thompson R, Okonkwo C. Clinical phenotypes associated with 14q24.1-q24.3 microduplications: Report of 12 new cases. Clin Genet. 2018.

other2018
4

Roberts K, Nakamura H. Chromosomal microarray analysis for proximal 14q abnormalities. In: Diagnostic Molecular Pathology. 2nd ed. Elsevier; 2021.

textbook2021

Medication Comparisons

Compare medications used to treat Chromosome 14q Proximal Duplication C2931700. 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