Supernumerary Der 22 T 8 22 Syndrome Cn074165
This chromosomal disorder involves extra genetic material from chromosome 22. It can cause developmental delays, distinctive facial features, and various health issues. Care is tailored to each individual's specific needs.
Key facts at a glance
- ICD-10
- Q89.9
- ICD-11
- LA00.0
- Body system
- congenital
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Generalized symptoms
(congenital)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
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
Comprehensive cardiac evaluation
Detailed echocardiogram and electrocardiogram assessment to identify structural heart defects and conduction abnormalities associated with the supernumerary der(22) chromosomal abnormality.
Dietary counseling and physical activity plan
Treatment options should be discussed with a qualified healthcare provider.
Corrective cardiac surgery
Surgical repair of congenital heart defects such as tetralogy of Fallot or atrioventricular septal defects when present, following standard pediatric cardiac surgery protocols.
Additional treatment options
Cardiac arrhythmia management
Pharmacologic management of cardiac rhythm disturbances including beta-blockers or calcium channel blockers as appropriate for specific arrhythmia types identified in this syndrome.
medicationActivity restrictions and monitoring
Implementation of appropriate physical activity limitations based on cardiac status and regular monitoring for signs of exercise intolerance or arrhythmia symptoms.
lifestyleDevelopmental and family support services
Comprehensive developmental assessment and family support including genetic counseling, educational support services, and referral to appropriate specialists for associated learning disabilities.
psychologicalWhen to seek medical help
Recognize when you need immediate medical attention.
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Frequently asked questions
Common questions about this topic.
What is Supernumerary Der 22 T 8 22 Syndrome Cn074165?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
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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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy