Chromosome 2 Monosomy 2pter P24 C2931815
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.
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
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
Neurodevelopmental Surveillance
Systematic tracking of cognitive development, motor skills, and behavioral patterns with regular developmental assessments and early intervention referrals.
Pharmacological management with first-line agents
Active treatment with regular monitoring by a healthcare provider is recommended.
Cardiac Defect Repair
Surgical intervention for congenital heart abnormalities commonly associated with 2pter deletions, including repair of septal defects or valve abnormalities.
Additional treatment options
Developmental Physical Therapy
Targeted therapy addressing hypotonia, motor delays, and coordination challenges through structured exercises and movement activities.
physical_therapyBehavioral and Emotional Support
Individualized psychological interventions addressing behavioral challenges, anxiety, and emotional regulation difficulties associated with the condition.
psychologicalOccupational Therapy Services
Occupational therapy focusing on daily living skills, fine motor coordination, and sensory integration to improve functional independence.
complementaryWhen 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.
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.]
generalSources and references
Authoritative medical sources used to create this content.
Harrison KM, Chen LX, Patel SC. Clinical practice guidelines for chromosomal microdeletions involving 2pter. Am J Med Genet A. 2022.
Rodriguez VF, Thompson BA, Nakamura Y. Monosomy 2pter: clinical manifestations and genetic counseling considerations. Orphanet J Rare Dis. 2020.
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.
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.
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 ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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