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Ch. 17
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Q90-Q99
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Q90
Category · Q90-Q99
Q90
Down syndrome
5 codes in this category
Q90
Down syndrome
Header
Q90.0
Trisomy 21, nonmosaicism (meiotic nondisjunction)
Billable
Q90.1
Trisomy 21, mosaicism (mitotic nondisjunction)
Billable
Q90.2
Trisomy 21, translocation
Billable
Q90.9
Down syndrome, unspecified
Billable