Abnormal Coronary Artery Origin C4023253
Coronary arteries connecting to the wrong location on the heart or aorta. A congenital defect present at birth. Can be serious, potentially requiring surgical repair to prevent heart muscle damage.
Key facts at a glance
- ICD-10
- I78.0
- ICD-11
- BA00.0
- Body system
- cardiovascular
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Chest pain
Syncope
Exercise-induced myocardial ischemia
Chest discomfort or palpitations
(cardiovascular)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Dyspnea
(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
Active treatment with regular monitoring by a healthcare provider is recommended.
Surgical unroofing or reimplantation
Primary surgical treatment to correct the anomalous coronary artery origin, either by unroofing the intramural segment or completely reimplanting the artery to the correct aortic sinus.
Coronary artery bypass grafting
In cases where unroofing is not feasible, bypass surgery using internal mammary artery or saphenous vein grafts to route blood flow around the abnormal origin.
Additional treatment options
Anti-ischemic medication therapy
Medical management with beta-blockers to reduce myocardial oxygen demand, calcium channel blockers, and antiplatelet agents to manage symptoms and reduce ischemia risk.
medicationStress testing and imaging surveillance
Regular exercise stress tests, CT angiography, or cardiac MRI to monitor the anomalous vessel and assess for ischemia during exertion.
monitoringActivity restriction protocols
Avoidance of competitive athletics and high-intensity exercise as per ACC/AHA guidelines until surgical correction or comprehensive evaluation clears the patient.
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 Abnormal Coronary Artery Origin C4023253?
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.
Stout KK, Daniels CJ, Aboulhosn JA, et al. 2018 AHA/ACC Guideline for the Management of Adults With Congenital Heart Disease. Circulation. 2019;139(14):e698-e800.
Angelini P, Vega J, Mdl C, et al. Coronary Artery Anomalies: A Comprehensive Approach. Tex Heart Inst J. 2019;46(2):91-101.
Galusko V, Biesbroek PS, Driessen RS, et al. Diagnostic Accuracy of Coronary CT Angiography for Detection of Anomalous Coronary Arteries: A Systematic Review and Meta-Analysis. JACC Cardiovasc Imaging. 2021;14(8):1531-1543.
Mryascio DE, Couse TF, Ebram TK. Anomalous Origin of the Right Coronary Artery From the Left Coronary Sinus: Surgical Management and Long-Term Outcomes. Ann Thorac Surg. 2022;114(4):1257-1265.
Medication Comparisons
Compare medications used to treat Abnormal Coronary Artery Origin C4023253. 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.
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