ICD-10-CM

Chromosomal abnormalities, not elsewhere classified (Q90-Q99) excludes2 mitochondrial metabolic disorders (E88.4-)
Q90: Down syndrome
Q91: Trisomy 18 and Trisomy 13
Q92: Other trisomies and partial trisomies of the autosomes, not elsewhere classified
Q93: Monosomies and deletions from the autosomes, not elsewhere classified
Q95: Balanced rearrangements and structural markers, not elsewhere classified
Q96: Turner's syndrome
Q97: Other sex chromosome abnormalities, female phenotype, not elsewhere classified
Q98: Other sex chromosome abnormalities, male phenotype, not elsewhere classified
Q99: Other chromosome abnormalities, not elsewhere classified

Chromosomal abnormalities, not elsewhere classified (Q90-Q99)

excludes2
mitochondrial metabolic disorders (E88.4-)