Distal Trisomy 15q C2931705
A rare chromosomal disorder with extra material on chromosome 15's long arm, which can cause developmental delays, intellectual disability, and various health concerns. Treatment is individualized and supportive.
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
Seizures
Generalized symptoms
(congenital)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Intellectual disability
(neurological)Hypotonia
(neurological)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
Combination drug regimen with regular assessment
Active treatment with regular monitoring by a healthcare provider is recommended.
Neurological Assessment for Seizure Management
Comprehensive neurological evaluation including EEG monitoring to detect and manage seizure activity, which occurs in a significant proportion of patients with distal trisomy 15q abnormalities.
Early Developmental Therapy
Multidisciplinary developmental therapy including occupational, speech, and physical therapy to address hypotonia, feeding difficulties, and developmental delays characteristic of distal trisomy 15q.
Additional treatment options
Nutritional Support and Management
Specialized nutritional support including feeding assessments, modified textures, and caloric supplementation to address feeding difficulties and ensure adequate growth.
dietaryBehavioral and Psychiatric Intervention
Behavioral therapy and psychiatric support addressing autism spectrum features, anxiety, and repetitive behaviors commonly associated with distal trisomy 15q region abnormalities.
psychologicalFamily Support Services
Connection with support groups, respite care services, and family counseling to help caregivers manage the challenges of caring for individuals with complex genetic conditions.
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 Distal Trisomy 15q C2931705?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
Compare medications used to treat Distal Trisomy 15q C2931705. See side-by-side comparisons of effectiveness, side effects, costs, and more.
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 25, 2026. · Read our editorial policy