raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:99123

Inferior vena cava interruption without azygos continuation

Synonyms: IVC interruption · Inferior caval vein interruption

Type
Morphological anomaly
Group
Disorder
Status
active

A rare congenital anomaly of the inferior vena cava characterized by complete interruption of the vessel in which no direct continuity exists between the inferior vena cava and the azygos/hemiazygos system. Clinical manifestations depend on the variant drainage patterns or collaterals and include lower extremity deep vein thrombosis, thromboembolic attacks, leg swelling and pain, lower extremity varices, abdominal pain, intraabdominal varices, and hematochezia, among others. Additional venous abnormalities or cardiac malformations are frequently present.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enInferior vena cava interruption without azygos continuationIVC interruption · Inferior caval vein interruption
frInterruption de la veine cave inférieure sans continuation azygos
deUnterbrechung der Vena cava inferior ohne AzygoskontinuitätIVC-Unterbrechung · Unterbrechung der unteren Hohlvene · Vena cava inferior-Unterbrechung
esInterrupción de la vena cava inferior sin continuación por la vena ácigosInterrupción de la VCI · Interrupción de la vena cava inferior
itInterruzione della vena cava inferiore senza continuità con il sistema azygos
nlInterruptie van vena cava inferior zonder continuatie van vena azygosInterruptie van vena cava inferior · Onderbreking van onderste holle ader · Onderbreking van onderste holle ader zonder azygoscontinuatie · VCI-onderbreking
ptInterrupção da VCI
plPrzerwanie żyły głównej tylnejPrzerwanie IVC
csPřerušení dolní duté žílyInterrupce dolní duté žíly · Přerušení VCI
ukПерерив нижньої порожнистої вени без продовження в непарну вену (v.azygos)Переривання нижньої порожнистої вени · Переривання НПВ
zh下腔静脉中断不伴奇静脉延续IVC中断
trAzigos devamı olmayan inferior vena kava kesintisiIVC kesintisi · Alt kaval ven kesintisi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q26.8NTBTattributedvalidated
ICD-11LA86.YNTBTattributedvalidated
MONDO0020452Evalidated
MONDO20452Evalidated
UMLSC5680291Evalidated

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

3

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