Neurodevelopmental Disorder Craniofacial Dysmorphism Cardiac Defect Hip Dysplasia Syndrome Due To 9q21 Microdeletion C5679925
A rare genetic condition caused by deletion of genetic material on chromosome 9, affecting facial development, heart structure, and hip formation. Requires coordinated specialty care and management of multiple organ systems.
Key facts at a glance
- ICD-10
- G40.909
- ICD-11
- 8A00.0
- Body system
- neurologic
- 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
(neurologic)Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Facial dysmorphism
(neurologic)Hip dysplasia
(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
Cardiac Defect Correction
Surgical repair of structural cardiac abnormalities based on specific defect type and severity. May include repair of septal defects, valve procedures, or complex reconstructions.
Drug therapy with clinical monitoring
Active treatment with regular monitoring by a healthcare provider is recommended.
Developmental Physical Therapy
Age-appropriate physical therapy to address motor delays, improve strength, and support functional development. Includes positioning, gait training, and adaptive equipment as needed.
Additional treatment options
Hip Dysplasia Management
Orthopedic surgical intervention for hip dysplasia, which may include closed reduction, open reduction, or osteotomy depending on age and severity. Goal is to achieve stable, pain-free hip function.
surgicalCardiac Surveillance Program
Long-term cardiac monitoring including regular echocardiograms, ECG studies, and clinical assessments to detect late complications and guide management of residual cardiac lesions.
monitoringNeurodevelopmental Support
Comprehensive neuropsychological evaluation and ongoing support services addressing learning disabilities, social-emotional challenges, and family adjustment to chronic condition management.
psychologicalWhen 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 Neurodevelopmental Disorder Craniofacial Dysmorphism Cardiac Defect Hip Dysplasia Syndrome Due To 9q21 Microdeletion C5679925?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy