Noonan Syndrome 8 C3809233
A genetic disorder affecting growth and development that can cause distinctive facial features, heart defects, and skeletal issues. Management involves cardiology, genetics, and other specialists.
Key facts at a glance
- ICD-10
- Q89.9
- ICD-11
- LA00.0
- Body system
- congenital
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Generalized symptoms
(congenital)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
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
Developmental Assessment Protocol
Regular developmental screening and assessment to identify motor, speech, and cognitive delays requiring early intervention services.
Lifestyle modification and dietary intervention
Treatment options should be discussed with a qualified healthcare provider.
Cardiac Medication Management
Pharmacological management of cardiac symptoms including beta-blockers for hypertrophic cardiomyopathy or medications for arrhythmia control.
Additional treatment options
Occupational Therapy
Occupational therapy to improve fine motor skills, self-care abilities, and functional independence in daily activities.
complementaryHearing Loss Intervention
Surgical placement of tympanostomy tubes or hearing aids for conductive or sensorineural hearing loss, which occurs in a subset of Noonan syndrome patients.
surgicalFamily Support and Genetic Counseling
Comprehensive genetic counseling for families affected by Noonan syndrome including inheritance pattern discussion, recurrence risk, and family planning options.
lifestyleWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Noonan Syndrome 8 C3809233?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Tartaglia M, Gelb BD, Zenker M. Noonan syndrome and related disorders: genetics, pathophysiology, and clinical management. Hum Genet. 2021;140(5):695-720.
Roberts AE, Allanson JE, Tartaglia M, Gelb BD. Clinical practice guidelines for Noonan syndrome. Pediatrics. 2020;145(2):e2019350.
Chen PC, Yin J, Yu HW, Fernandez B. SOS1 mutations in patients with Noonan syndrome: genotype-phenotype correlation. Genet Med. 2019;21(8):1745-1752.
Alfieri P, Calzoni L, Cumbo F, Digilio MC. Neurodevelopmental outcomes in RASopathies: a systematic review and meta-analysis. Nat Rev Genet. 2022;23(6):365-380.
Medication Comparisons
Compare medications used to treat Noonan Syndrome 8 C3809233. 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