From parent levels

ChapterXVIICongenital malformations, deformations and chromosomal abnormalitiesOpen

Exclusions

BlockQ20-Q28Congenital malformations of the circulatory systemOpen

CategoryQ27Other congenital malformations of peripheral vascular systemOpen

anomalies of: cerebral and precerebral vessels (Q28.0, Q28.1, Q28.2, Q28.3)
anomalies of: coronary vessels (Q24.5)
anomalies of: pulmonary artery (Q25.5, Q25.6, Q25.7)
congenital retinal aneurysm (Q14.1)
haemangioma and lymphangioma (D18.-)

Congenital absence and hypoplasia of umbilical artery