Section
Q90-Q99
Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
Hierarchy
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Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
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Q90-Q99 Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
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Q90 Down syndrome
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Q91 Trisomy 18 and Trisomy 13
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Q92 Other trisomies and partial trisomies of the autosomes, not elsewhere classified
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Q93 Monosomies and deletions from the autosomes, not elsewhere classified
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Q95 Balanced rearrangements and structural markers, not elsewhere classified
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Q96 Turner's syndrome
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Q97 Other sex chromosome abnormalities, female phenotype, not elsewhere classified
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Q98 Other sex chromosome abnormalities, male phenotype, not elsewhere classified
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Q99 Other chromosome abnormalities, not elsewhere classified
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Notes
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Codes from this chapter are not for use on maternal records