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ICD-10-CM/Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders/Chromosomal abnormalities, not elsewhere classified

Q90-Q99 Chromosomal abnormalities, not elsewhere classified

BackQ90Down syndromeCategory4 →Q91Trisomy 18 and Trisomy 13Category8 →Q92Other trisomies and partial trisomies of the autosomes, not elsewhere classifiedCategory8 →Q93Monosomies and deletions from the autosomes, not elsewhere classifiedCategory9 →Q95Balanced rearrangements and structural markers, not elsewhere classifiedCategory7 →Q96Turner's syndromeCategory7 →Q97Other sex chromosome abnormalities, female phenotype, not elsewhere classifiedCategory6 →Q98Other sex chromosome abnormalities, male phenotype, not elsewhere classifiedCategory9 →Q99Other chromosome abnormalities, not elsewhere classifiedCategory5 →
Section
Q90-Q99
Chromosomal abnormalities, not elsewhere classified
Chapter
XVII · Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders
Section
Q90-Q99
Valid from
Source

CMS ICD-10-CM Tabular List, edition FY2026.

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