From parent levels
ChapterXVIICongenital malformations, deformations and chromosomal abnormalitiesOpen
Exclusions
- inborn errors of metabolism (E70-E90)
BlockQ90-Q99Chromosomal abnormalities, not elsewhere classifiedOpen
CategoryQ91Edwards syndrome and Patau syndromeOpen
Trisomy 13, mosaicism (mitotic nondisjunction)