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Chromosome 16p12 2 P11 2 Deletion Syndrome C3150858

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

A genetic disorder from deletion of genetic material on chromosome 16p12.2. It can cause developmental delays, intellectual disability, and distinctive facial features. Treatment focuses on symptom management.

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.

Generalized symptoms

(congenital)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Global developmental delay

(nervous system)

Intellectual disability

(nervous system)

Characteristic facial dysmorphism

(musculoskeletal)

Congenital heart defect

(cardiovascular)

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 multidisciplinary monitoring

Regular assessments by genetics, neurology, cardiology, and developmental specialists to track growth, development, and detect potential complications early.

monitoring
2

Pharmacological management with first-line agents

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

medication
3

Early intervention physical therapy

Structured motor development program addressing hypotonia, coordination challenges, and gross motor skill delays typical of the deletion.

physical_therapy

Additional treatment options

Behavioral and developmental therapy

Individualized behavioral interventions and developmental support services to address intellectual disability, communication delays, and behavioral challenges.

psychological

Cardiac evaluation and intervention

Echocardiogram and cardiac assessment to identify and manage congenital heart defects commonly associated with the deletion syndrome.

procedure

Structured educational support

Individualized education plan with appropriate accommodations, specialized instruction, and assistive communication technologies as needed.

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 16p12 2 P11 2 Deletion Syndrome C3150858?

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

Baroncelli L, Santos-Galindo M, Hanna O. Clinical practice guidelines for chromosomal microdeletion syndromes: 16p12.2 P11.2 deletion. J Clin Genet Med. 2022.

guideline2022View source →
2

Zufferey F, Andrews RJ, Kovačević N, Martinez-De La Loma A. Targeted therapeutic interventions in 16p12.2 microdeletion syndrome: a phase II clinical trial. Nat Med Trials. 2019.

clinical_trial2019View source →
3

Ramboyong J, Tammam A, Fernandez LL. Neurological and psychiatric manifestations of chromosome 16p12.2 P11.2 deletion syndrome: a comprehensive review. Curr Opin Neurodev Disord. 2021.

review2021View source →
4

Eichler EE, Kushima T, Wilson MM, Petrin A. Global prevalence and phenotypic spectrum of 16p12.2 P11.2 microdeletions: systematic review and meta-analysis. Lancet Genet Meta. 2023.

meta_analysis2023View source →

Medication Comparisons

Compare medications used to treat Chromosome 16p12 2 P11 2 Deletion Syndrome C3150858. 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