ICD-10 / XVII Congenital malformations, deformations and chromosomal abnormalities / Q20-Q28 Congenital malformations of the circulatory system / Q27 Other congenital malformations of peripheral vascular systemFrom parent levelsChapterXVIICongenital malformations, deformations and chromosomal abnormalitiesexc.OpenExclusionsinborn errors of metabolism (E70-E90)BlockQ20-Q28Congenital malformations of the circulatory systemOpenQ27CategoryBlock Q20-Q28Chapter XVIIOther congenital malformations of peripheral vascular systemExclusionsanomalies 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.-)Subcategories