Hao Fountain Syndrome Due To 16p13 2 Microdeletion C5680086
A neurodevelopmental disorder from a small chromosomal deletion causing developmental delay, distinctive facial features, and often intellectual disability. Treatment involves multidisciplinary supportive care.
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
Seizures
Developmental delay
(neurologic)Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Intellectual disability
(neurologic)Facial dysmorphism
(neurologic)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
Early Intensive Developmental Therapy
Multidisciplinary early intervention focusing on motor skills, communication, and cognitive development tailored to neurodevelopmental needs.
Targeted drug therapy with dose adjustment
Active treatment with regular monitoring by a healthcare provider is recommended.
Specialized Educational Support
Individualized education plans with appropriate accommodations, learning strategies, and behavioral interventions for academic success.
Additional treatment options
Speech and Communication Therapy
Augmentative and alternative communication support including sign language, picture exchange systems, and speech-generating devices.
complementaryGrowth and Development Surveillance
Regular pediatric monitoring of growth parameters, developmental milestones, and identification of associated medical conditions.
monitoringFamily Support and Counseling
Psychosocial support for parents and caregivers addressing stress management, resource navigation, and family resilience building.
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 Hao Fountain Syndrome Due To 16p13 2 Microdeletion C5680086?
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 25, 2026. · Read our editorial policy