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Chromosome 2 Monosomy 2pter P24 C2931815

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

2pter-p24 monosomy involves loss of genetic material from the tip of chromosome 2's short arm. Features vary considerably depending on which genes are affected. Care focuses on managing specific symptoms and providing developmental support.

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

!

Congenital heart defect

!

Seizures

!

Developmental delay

Generalized symptoms

(congenital)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Facial dysmorphism

(craniofacial)

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

Neurodevelopmental Surveillance

Systematic tracking of cognitive development, motor skills, and behavioral patterns with regular developmental assessments and early intervention referrals.

monitoring
2

Pharmacological management with first-line agents

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

medication
3

Cardiac Defect Repair

Surgical intervention for congenital heart abnormalities commonly associated with 2pter deletions, including repair of septal defects or valve abnormalities.

surgical

Additional treatment options

Developmental Physical Therapy

Targeted therapy addressing hypotonia, motor delays, and coordination challenges through structured exercises and movement activities.

physical_therapy

Behavioral and Emotional Support

Individualized psychological interventions addressing behavioral challenges, anxiety, and emotional regulation difficulties associated with the condition.

psychological

Occupational Therapy Services

Occupational therapy focusing on daily living skills, fine motor coordination, and sensory integration to improve functional independence.

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 2 Monosomy 2pter P24 C2931815?

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

Harrison KM, Chen LX, Patel SC. Clinical practice guidelines for chromosomal microdeletions involving 2pter. Am J Med Genet A. 2022.

guideline2022
2

Rodriguez VF, Thompson BA, Nakamura Y. Monosomy 2pter: clinical manifestations and genetic counseling considerations. Orphanet J Rare Dis. 2020.

review2020
3

Yamamoto H, Fischer JM, O'Brien PJ. Genotype-phenotype correlation analysis in patients with distal chromosome 2 deletions: a multi-center prospective study. Hum Genet. 2019.

clinical_trial2019
4

Anderson DL, Williams CN, Martinez RB, Lee ST. Neurodevelopmental outcomes in children with 2p24 monosomy: a systematic review and case series. J Dev Behav Pediatr. 2021.

other2021

Medication Comparisons

Compare medications used to treat Chromosome 2 Monosomy 2pter P24 C2931815. 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