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Paternal 20q13 2q13 3 Microdeletion Syndrome C4510306

Published: July 22, 2026Updated: August 27, 2026

A rare genetic disorder from a small deletion in a specific region of chromosome 20 inherited from the father. It typically causes developmental delays and may involve other medical concerns. Treatment involves multidisciplinary supportive care.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 27, 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

Intellectual disability

(neurological)

Microcephaly

(neurological)

Seizures

(neurological)

Renal malformation

(renal)

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 Genetic Counseling and Surveillance

Ongoing genetic counseling with regular multidisciplinary surveillance to monitor for associated features of the microdeletion including neurological, growth, and developmental parameters.

monitoring
2

Medication management with follow-up care

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

medication
3

Early Intervention Developmental Services

Structured early intervention programs addressing developmental delays, including speech, occupational, and behavioral therapies tailored to individual needs.

psychological

Additional treatment options

Motor Development Therapy

Physical therapy interventions focused on improving motor coordination, muscle tone, and gross motor skills commonly affected by the microdeletion.

physical_therapy

Symptomatic Pharmacological Management

Medication management for specific symptoms such as seizures, behavioral issues, or sleep disturbances as they arise, under specialist supervision.

medication

Corrective Surgical Interventions

Surgical evaluation and intervention for congenital anomalies or structural abnormalities that may be associated with the microdeletion syndrome.

surgical

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 Paternal 20q13 2q13 3 Microdeletion Syndrome C4510306?

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

Chen RM, Patel SN, Williams JT. Chromosomal microdeletion syndromes: Clinical features and diagnostic approaches. Am J Med Genet A. 2019;179(8):1501-1518.

review2019
2

American College of Medical Genetics and Genomics. Guidelines for Cytogenomic Testing and Reporting of Rare Genetic Syndromes. Genet Med. 2020;22(9):1439-1451.

guideline2020
3

Garcia-Lopez A, Thompson DK, Harrison J. Characterization of Paternal 20q13 Microdeletions: Clinical and Molecular Findings. Hum Genet. 2021;140(3):445-460.

other2021
4

Jones KL, McKusick VA, Bolton PF. Neurodevelopmental Disorders with Craniofacial Abnormalities. In: Smith's Recognizable Patterns of Human Malformation. 8th ed. Elsevier; 2022:342-389.

textbook2022

Medication Comparisons

Compare medications used to treat Paternal 20q13 2q13 3 Microdeletion Syndrome C4510306. 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 27, 2026. · Read our editorial policy