Distal Trisomy 19q C4707664
An extremely rare chromosomal disorder involving extra material on chromosome 19's long arm, leading to severe developmental delays and multiple abnormalities. Care is supportive and symptom-focused.
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
Seizures
Generalized symptoms
(congenital)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Intellectual disability
(nervous)Facial dysmorphism
(head and neck)Skeletal abnormalities
(musculoskeletal)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
Neurodevelopmental Surveillance Program
Systematic monitoring of cognitive development, speech acquisition, and behavioral patterns through standardized developmental assessments at regular intervals to guide educational and therapeutic interventions.
Targeted drug therapy with dose adjustment
Active treatment with regular monitoring by a healthcare provider is recommended.
Speech and Language Evaluation
Comprehensive speech-language pathology assessment evaluating receptive and expressive language abilities, articulation, and feeding skills with development of individualized communication plans.
Additional treatment options
Behavioral Symptom Management
Pharmacologic management of behavioral challenges including attention deficits, hyperactivity, or repetitive behaviors when non-pharmacologic interventions prove insufficient, using carefully selected agents.
medicationSkeletal Abnormality Correction
Surgical management of musculoskeletal anomalies including hand/foot abnormalities, scoliosis, or joint contractures that may require orthopedic intervention and post-surgical rehabilitation.
surgicalGenetic Counseling and Family Planning
In-depth genetic counseling providing information about distal trisomy 19q inheritance patterns, recurrence risks, prenatal screening options, and family planning considerations for affected individuals and families.
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 19q C4707664?
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 19q C4707664. 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