ICD-10 / XVII Congenital malformations, deformations and chromosomal abnormalities / Q80-Q89 Other congenital malformations / Q86 Congenital malformation syndromes due to known exogenous causes, not elsewhere classifiedFrom parent levelsChapterXVIICongenital malformations, deformations and chromosomal abnormalitiesexc.OpenExclusionsinborn errors of metabolism (E70-E90)BlockQ80-Q89Other congenital malformationsOpenQ86CategoryResidualBlock Q80-Q89Chapter XVIICongenital malformation syndromes due to known exogenous causes, not elsewhere classifiedExclusionsiodine-deficiency-related hypothyroidism (E00, E01, E02)nonteratogenic effects of substances transmitted via placenta or breast milk (P04.-)Subcategories