ICD-11 definition : A single umbilical artery arising from either the allantoic arterial system (Type
I) or vitelline artery (Type II). It has been associated with renal anomalies.;
ICD-11 synonym : congenital absence of umbilical artery; SUA - [Single umbilical cord artery]; agenesis of umbilical artery; umbilical artery hypoplasia; single umbilical artery; absence of umbilical artery; congenital hypoplasia of umbilical artery; Congenital absence and hypoplasia of umbilical artery;
A single umbilical artery arising from either the allantoic arterial system (Type
I) or vitelline artery (Type II). It has been associated with renal anomalies.