| Q860 | Fetal alcohol syndrome (dysmorphic) |
| Q861 | Fetal hydantoin syndrome |
| Q862 | Dysmorphism due to warfarin |
| Q868 | Other congenital malformation syndromes due to known exogenous causes |
| Q87 | Other specified congenital malformation syndromes affecting multiple systems |
| Q870 | Congenital malformation syndromes predominantly affecting facial appearance |
| Q871 | Congenital malformation syndromes predominantly associated with short stature |
| Q8711 | Prader-Willi syndrome |
| Q8719 | Other congenital malformation syndromes predominantly associated with short stature |
| Q872 | Congenital malformation syndromes predominantly involving limbs |
| Q873 | Congenital malformation syndromes involving early overgrowth Congenital malformation syndromes involving early overgrowth |
| Q874 | Marfan syndrome |
| Q8740 | Marfan syndrome, unspecified |
| Q8741 | Marfan syndrome with cardiovascular manifestations |
| Q87410 | Marfan syndrome with aortic dilation |
| Q87418 | Marfan syndrome with other cardiovascular manifestations |
| Q8742 | Marfan syndrome with ocular manifestations |
| Q8743 | Marfan syndrome with skeletal manifestation |
| Q875 | Oth congenital malformation syndromes w oth skeletal changes Other congenital malformation syndromes with other skeletal changes |
| Q878 | Other specified congenital malformation syndromes, not elsewhere classified |
| Q8781 | Alport syndrome |
| Q8782 | Arterial tortuosity syndrome |
| Q8783 | Bardet-Biedl syndrome |
| Q8784 | Laurence-Moon syndrome |
| Q8785 | MED13L syndrome |
| Q8786 | Kleefstra syndrome |
| Q8789 | Other specified congenital malformation syndromes, not elsewhere classified |
| Q89 | Other congenital malformations, not elsewhere classified |
| Q890 | Congenital absence and malformations of spleen |
| Q8901 | Asplenia (congenital) |
| Q8909 | Congenital malformations of spleen |
| Q891 | Congenital malformations of adrenal gland |
| Q892 | Congenital malformations of other endocrine glands |
| Q893 | Situs inversus |
| Q894 | Conjoined twins |
| Q897 | Multiple congenital malformations, not elsewhere classified |
| Q898 | Other specified congenital malformations |
| Q899 | Congenital malformation, unspecified |
| Q90 | Down syndrome |
| Q900 | Trisomy 21, nonmosaicism (meiotic nondisjunction) |
| Q901 | Trisomy 21, mosaicism (mitotic nondisjunction) |
| Q902 | Trisomy 21, translocation |
| Q909 | Down syndrome, unspecified |
| Q91 | Trisomy 18 and Trisomy 13 |
| Q910 | Trisomy 18, nonmosaicism (meiotic nondisjunction) |
| Q911 | Trisomy 18, mosaicism (mitotic nondisjunction) |
| Q912 | Trisomy 18, translocation |
| Q913 | Trisomy 18, unspecified |
| Q914 | Trisomy 13, nonmosaicism (meiotic nondisjunction) |
| Q915 | Trisomy 13, mosaicism (mitotic nondisjunction) |