ICD-10 / XVII Congenital malformations, deformations and chromosomal abnormalities / Q90-Q99 Chromosomal abnormalities, not elsewhere classified / Q92 Other trisomies and partial trisomies of the autosomes, not elsewhere classified / Q92.9 Trisomy and partial trisomy of autosomes, unspecified From parent levels Chapter XVII Congenital malformations, deformations and chromosomal abnormalities Open Exclusions inborn errors of metabolism (E70-E90 ) Block Q90-Q99 Chromosomal abnormalities, not elsewhere classified Open Category Q92 Other trisomies and partial trisomies of the autosomes, not elsewhere classified Open Inclusions unbalanced translocations and insertions Exclusions trisomies of chromosomes 13, 18, 21 (Q90 , Q91 )