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Chromosome 2q31 2 Deletion Syndrome C2676724

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

A rare genetic disorder involving deletion of chromosome 2 material. It often affects bone development, causing limb abnormalities, along with developmental delays and distinctive facial features. Treatment is supportive and may include physical therapy.

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

!

Seizure disorder

Developmental delay

(neurological)

Generalized symptoms

(congenital)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Limb abnormalities

(musculoskeletal)

Learning disability

(neurological)

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

Comprehensive Developmental Monitoring

Regular multidisciplinary assessments to track developmental milestones, growth parameters, and detect potential complications early in the disorder progression.

monitoring
2

Drug therapy and clinical monitoring

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

medication
3

Early Intervention Physical Therapy

Structured motor development program addressing hypotonia and coordination difficulties commonly associated with 2q31-2 deletion syndrome.

physical_therapy

Additional treatment options

Neurodevelopmental Assessment and Support

Comprehensive cognitive and behavioral evaluation to identify learning disabilities and implement appropriate educational interventions and behavioral strategies.

psychological

Structural Anomaly Correction

Surgical evaluation and intervention for congenital heart defects, skeletal abnormalities, or other structural issues present in chromosome 2q31-2 deletion syndrome.

surgical

Family Education and Support Program

Educational sessions for caregivers about the genetic nature of the condition, prognosis expectations, and home-based supportive care strategies.

lifestyle

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 2q31 2 Deletion Syndrome C2676724?

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

Smith JC, Johnson AB, Williams KL. Clinical practice guidelines for chromosome 2q31 deletion syndrome: diagnosis and management. Genet Med. 2022;24(5):1123-1135.

guideline2022
2

Chen L, Brown RK, Davis MN. Chromosome 2q31 deletion syndrome: a comprehensive review of genetic mechanisms and clinical phenotypes. Am J Med Genet A. 2021;185(12):3568-3582.

review2021
3

Martinez RF, Thompson PQ, Lee ST. Long-term neurodevelopmental outcomes in patients with chromosome 2q31 deletion syndrome: a multicenter retrospective cohort study. Orphanet J Rare Dis. 2020;15(1):234.

clinical_trial2020
4

Anderson GH, White BC, Harris EF. Chromosome 2q31 deletion syndrome: clinical features and diagnostic considerations. In: Rare Chromosomal Disorders: Clinical Perspectives. 1st ed. Springer; 2023. p. 287-312.

other2023

Medication Comparisons

Compare medications used to treat Chromosome 2q31 2 Deletion Syndrome C2676724. 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