Monosomy 13q34 C4707797
A chromosomal condition where a portion of chromosome 13 is missing. It can cause developmental delays, distinctive facial features, and other health concerns. Care focuses on supportive management.
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.
Warning signs - seek immediate care
Congenital heart defect
Developmental delay
(neurological)Generalized symptoms
(congenital)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Intellectual disability
(neurological)Facial dysmorphism
(congenital)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 Chromosomal Monitoring
Regular surveillance including blood counts, bone marrow assessments, and imaging to detect progression or complications associated with monosomy 13q34.
Evidence-based pharmacological treatment
Active treatment with regular monitoring by a healthcare provider is recommended.
Genetic Counseling and Family Support
Professional genetic counseling for patients and families to understand inheritance patterns, recurrence risks, and available reproductive options.
Additional treatment options
Corrective Surgical Interventions
Surgical management of structural abnormalities associated with 13q deletion syndrome including congenital heart defects, cleft palate repair, or other anatomic corrections as needed.
surgicalSymptomatic Pharmacological Management
Targeted medication therapy addressing specific manifestations such as seizure management, hormone replacement for endocrine deficiencies, or treatment of associated conditions.
medicationMultidisciplinary Supportive Care
Integrative approach including occupational therapy, speech therapy, and developmental support services to maximize functional abilities and quality of life.
complementaryWhen 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.
What is Monosomy 13q34 C4707797?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
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View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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