ICD-10 / XVII Congenital malformations, deformations and chromosomal abnormalities / Q80-Q89 Other congenital malformations / Q80 Congenital ichthyosisFrom parent levelsChapterXVIICongenital malformations, deformations and chromosomal abnormalitiesexc.OpenExclusionsinborn errors of metabolism (E70-E90)BlockQ80-Q89Other congenital malformationsOpenQ80CategoryBlock Q80-Q89Chapter XVIICongenital ichthyosisExclusionsRefsum disease (G60.1)Subcategories