Q90.1✓ Billable
Trisomy 21, mosaicism (mitotic nondisjunction)
Also Indexed As(ICD-10-CM Alphabetic Index)
These clinical terms, synonyms, and manifestations all map to Q90.1 in the official ICD-10-CM Alphabetic Index.
Down syndrome, mitotic nondisjunctionDown syndrome, mosaicismSyndrome, trisomy, 21, mitotic nondisjunctionSyndrome, trisomy, 21, mosaicismTrisomy (syndrome), 21 (partial), mitotic nondisjunctionTrisomy (syndrome), 21 (partial), mosaicism
Code Hierarchy
┌17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)├Q90-Q99Chromosomal abnormalities, not elsewhere classified (Q90-Q99)├Q90Down syndrome
└Q90.1Trisomy 21, mosaicism (mitotic nondisjunction)
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