raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:99114

Agenesis of the superior vena cava

Synonyms: Absence of the SVC · Absence of the superior caval vein · Absence of the superior vena cava · Agenesis of the SVC · Agenesis of the superior caval vein

Type
Morphological anomaly
Group
Disorder
Status
active

A rare congenital anomaly of the great veins characterized by unilateral or bilateral complete absence of the superior vena cava (SVC). Unilateral agenesis is mainly asymptomatic (most of the time diagnosed incidentally) and patients usually have otherwise normal heart structure. Bilateral agenesis, however, is frequently associated with other congenital cardiac anomalies and/or conduction abnormalities (such as tetralogy of Fallot, atrial septal defect) and typically present symptoms of SVC syndrome.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAgenesis of the superior vena cavaAbsence of the SVC · Absence of the superior caval vein · Absence of the superior vena cava · Agenesis of the SVC · Agenesis of the superior caval vein
frAgénésie de la veine cave supérieure
deVena cava superior, Agenesie derVCS-Agenesie · Agenesie der oberen Hohlvene
esAgenesia de la vena cava superiorAgenesia de VCS · Ausencia de VCS · Ausencia de vena cava superior
itAgenesia della vena cava superioreAgenesia della VCS · Assenza della VCS · Assenza della vena cava superiore
nlAgenesie van vena cava superiorAfwezigheid van VCS · Afwezigheid van bovenste holle ader · Afwezigheid van vena cava superior · Agenesie van VCS · Agenesie van bovenste holle ader
ptAgenesia da veia cava superior, direita
plAgnezja żyły głównej górnejAgenezja żyły głównej górnej · Agnezja SVC · Brak SVC · Brak żyły głównej górnej · Brak żyły głównej przedniej
csAgeneze horní duté žílyAgeneze SVC · Chybění VCS · Chybění horní kavální žíly · Chybění vena cava superior
ukАгенезія верхньої порожнистої вениВідсутність верхньої плечової вени · Відсутність верхньої порожнистої вени · Відсутність SVC · Агенезія верхньої плечової вени · Агенезу SVC
zh上腔静脉发育不良SVC不发育
trÜstün vena kava ageneziSVC yokluğu · SVC agenezi · Süperior vena kava yokluğu · Süperior kaval damarının yokluğu · Süperior kaval damarının agenezi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q26.8NTBTinclusionvalidated
ICD-11LA86.YNTBTindexvalidated
MONDO0020445Evalidated
UMLSC0265929Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

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Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (1):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

0 records

No prevalence record in this release.

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card