Distal Chromosome 18q Deletion Syndrome C4329736
A chromosomal disorder involving deletion of genetic material from chromosome 18. Can cause growth delay, intellectual disability, and distinctive physical features. Treatment addresses specific manifestations.
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.
Generalized symptoms
(congenital)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Growth hormone deficiency
(endocrine)Developmental delay
(nervous_system)Hearing loss
(ear_nose_throat)Genitourinary anomalies
(genitourinary)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.
Systematic multisystem surveillance
Comprehensive monitoring program addressing immune dysfunction, growth abnormalities, and endocrine concerns. Regular laboratory studies and specialist consultations included.
Cognitive and behavioral support services
Individualized educational and psychological support addressing learning disabilities, executive function challenges, and social-emotional needs. IEP development and school collaboration.
Additional treatment options
Audiological and ophthalmological intervention
Surgical or procedural correction of hearing loss and vision abnormalities including strabismus repair, tympanostomy tubes, or hearing aid fitting as indicated.
surgicalNeuromuscular rehabilitation
Therapy addressing foot deformities, joint laxity, and movement disorders characteristic of 18q deletion. Includes gait training and adaptive equipment assessment.
physical_therapyImmunologic support and infection prevention
Enhanced infection prevention strategies, vaccination counseling, and management of autoimmune conditions. Environmental modifications and family education on warning signs.
lifestyleWhen 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 Chromosome 18q Deletion Syndrome C4329736?
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 Chromosome 18q Deletion Syndrome C4329736. 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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy