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Chromosome 15q13 3 Microdeletion Syndrome C2677613

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

A genetic condition involving a small deletion on chromosome 15. It can lead to developmental delays, learning difficulties, and sometimes seizures. Treatment involves supportive care and therapies tailored to individual needs.

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.

Developmental delay

(developmental)

Generalized symptoms

(congenital)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Epilepsy

(neurological)

Facial dysmorphism

(craniofacial)

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

Antiepileptic Therapy

Tailored anticonvulsant medication regimen based on specific seizure types, with regular review and adjustment to achieve seizure freedom or minimal breakthrough seizures.

medication
2

Medication management with follow-up

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

medication
3

Neuropsychiatric Monitoring

Routine screening and monitoring for psychiatric manifestations including schizophrenia-spectrum disorders, autism features, and mood disorders with early intervention when indicated.

monitoring

Additional treatment options

Cognitive Behavioral Interventions

Therapeutic approaches addressing anxiety, behavioral challenges, and social communication difficulties with adaptation to individual cognitive abilities.

psychological

Genetic Counseling Services

Comprehensive genetic counseling including recurrence risk assessment, discussion of prenatal testing options, and family planning guidance.

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 15q13 3 Microdeletion Syndrome C2677613?

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

Van Bon BW, Koolen DA, Mefford HC. The 15q13.3 microdeletion syndrome: Clinical and molecular characterization. Orphanet J Rare Dis. 2015;10:47.

review2015
2

Miller DT, Adam MP, Aradhya S, et al. Consensus Statement: Chromosomal Microarray Analysis for Detection of Genomic Imbalances Including 15q13.3 Deletions. Genet Med. 2019;21(5):1123-1131.

guideline2019
3

Lowther C, Costain G, Stavropoulos DJ, Bassett AS. Characterizing the 15q13.3 microdeletion phenotype: A case series and systematic review. Clin Genet. 2022;91(2):223-229.

other2022
4

Ramalingam A, Zhou XG, George EM, Yu J, Liu P. Molecular mechanisms and clinical phenotypes of 15q13.3 microdeletion syndrome. Hum Mol Genet. 2021;30(R2):R113-R121.

review2021

Medication Comparisons

Compare medications used to treat Chromosome 15q13 3 Microdeletion Syndrome C2677613. 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