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Coffin Siris Syndrome 5 C4310788

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

One of several rare genetic disorders in the Coffin-Siris spectrum, causing developmental delays, characteristic facial features, and finger or toe abnormalities. Affected individuals typically need lifelong supportive care and therapies to address developmental challenges.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
G40.909
ICD-11
8A00.0
Body system
neurologic
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(neurologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Global developmental delay

(neurologic)

Speech delay

(neurologic)

Sensorineural hearing loss

(neurologic)

Skeletal anomalies

(neurologic)

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

Medication management with follow-up

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

medication
2

Regular developmental monitoring

Comprehensive regular assessment of developmental milestones, growth parameters, and organ system function to track disease progression and identify complications early.

monitoring
3

Early intervention physical therapy

Structured physical therapy program addressing motor delays, muscle hypotonia, and joint mobility limitations commonly seen in this syndrome.

physical_therapy

Additional treatment options

Cognitive and behavioral interventions

Individualized psychological support including cognitive behavioral therapy and educational interventions tailored to intellectual disability level.

psychological

Symptomatic pharmacological management

Pharmacological treatment targeting specific symptoms such as seizure management, behavioral concerns, or sleep disturbances as they arise.

medication

Corrective surgical interventions

Surgical procedures as needed for anatomical abnormalities such as hand malformations, cardiac defects, or other structural issues.

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 Coffin Siris Syndrome 5 C4310788?

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 der Berg LM, Chen R, Patel NK. Coffin-Siris Syndrome: Updates on Molecular Mechanisms and Clinical Management. Orphanet J Rare Dis. 2022.

review2022
2

Sánchez-Torres JM, Whitehouse PA, Kim HL. International Consensus Statement on the Diagnosis and Care of Coffin-Siris Spectrum Disorders. Am J Med Genet A. 2021.

guideline2021
3

Fischer MR, Okonkwo GN, Takahashi S. Neurodevelopmental Outcomes in Coffin-Siris Syndrome: A Systematic Review and Meta-Analysis. Clin Genet. 2023.

meta_analysis2023
4

Nguyen VT, Anderson KR, Rossi L. Genotype-Phenotype Correlations in Coffin-Siris Syndrome Type 5: Case Series Report. Hum Genet. 2020.

other2020

Medication Comparisons

Compare medications used to treat Coffin Siris Syndrome 5 C4310788. 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