Bilateral Superior Vena Cava C0344659
A congenital condition with two superior vena cavae instead of one. Usually harmless and found incidentally during procedures.
Key facts at a glance
- ICD-10
- I78.0
- ICD-11
- BA00.0
- Body system
- cardiovascular
- Severity
- mild
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Superior vena cava syndrome symptoms
Chest discomfort or palpitations
(cardiovascular)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Visible collateral veins on chest
(cardiovascular)Difficulty with central venous catheter placement
(cardiovascular)Asymptomatic
(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.]
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy