Bicuspid Aortic Valve C0149630
A bicuspid aortic valve is a congenital heart defect where the aortic valve has two leaflets instead of three. It is one of the most common heart abnormalities present at birth. Many people live normally but require monitoring for potential valve complications.
Key facts at a glance
- ICD-10
- Q23.81
- ICD-11
- LA00.0
- Body system
- cardiovascular
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Chest pain
Chest discomfort or palpitations
(cardiovascular)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Heart murmur on auscultation
(cardiovascular)Dyspnea on exertion
(cardiovascular)Ankle swelling
(cardiovascular)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
Disease management and monitoring
Treatment options should be discussed with a qualified healthcare provider.
Regular echocardiographic surveillance
Serial echocardiograms to monitor aortic valve function, aortic root dimensions, and ascending aorta diameter. Frequency based on valve severity and aortopathy progression.
Aortic valve replacement or repair
Surgical intervention for severe aortic stenosis or regurgitation, utilizing mechanical, bioprosthetic, or Ross procedure options based on patient age and preferences.
Additional treatment options
Endocarditis prophylaxis
Antibiotic prophylaxis before high-risk dental procedures according to current guidelines, though scope has narrowed in recent recommendations.
medicationActivity restriction counseling
Guidance on exercise limitations, particularly competitive sports participation, based on valve severity, aortic dimensions, and family history of dissection.
lifestyleBalloon aortic valvuloplasty
Transcatheter balloon dilation for symptomatic patients with severe stenosis who are poor surgical candidates, though restenosis is common.
procedureWhen 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 Bicuspid Aortic Valve C0149630?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
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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 20, 2026. · Read our editorial policy