Interrupted inferior vena cava with azygous continuation 2012-04-09T12:04:06Z UMLS:C4023237 HP:0011671 Interrupted inferior vena cava with azygous continuation is the result of connection failure between the right subcardinal vein and the right vitelline vein. Consequently, venous blood from the caudal part of the body reaches the heart via the azygous vein and superior vena cava. ICD-10:26.8 Abnormal inferior vena cava morphology